Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

OMICS > Microbiomes etc > Flashcards

Microbiomes etc Flashcards

1
Q
  1. What is a microbiome?
A

a. The The entire habitat, including the microbes (bacteria, archaea, lower and higher eukaryotes, and viruses), their genomes (i.e., genes), and the surrounding environmental conditions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q
  1. What is Microbiota?
A

a. Bacteria, archaea, fungi, protists, and algae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q
  1. What is a biome?
A

a. A reasonably well defined habitat which has distinct bio-physio-chemical properties

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q
  1. What microbial structural elements are there (4)?
A

a. Proteins/peptides
b. Lipids
c. Polysaccharides
d. Nucleic acids : DNA and RNA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q
  1. What type of mucleic acid material is there within the microbiome?
A

a. DNA?RNA
b. Mobile genetic elements
c. Viruses/phages relic DNA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Why do bacteria act differently on agar then in the eviroment

A

this is not how they behave normally so this will cause their phenotypes to change

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
  1. What are the internal/external structural elements of the microbiome?
A

a. Environmental conditions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q
  1. What microbial metabolites are there within a microbiome?
A

a. Signalling molecules
b. Toxins
c. Organic molecules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
  1. Why is using the term microflora incorrect and you should use microbiota?
A

a. The assemblage of microorganisms presents within a defined environment. Sometimes microflora is used but as microorganisms are not plants this is wrong.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q
  1. What are metataxonomics?
A

a. High-throughput processing used to characterise the entire microbiota. Typically uses marker genes such as the 16S rRNA gene.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q
  1. What is a Metagenome?
A

a. The collection of genomes and genes from the members of the microbiota.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q
  1. What is metabolomics/metabonomics?
A

a. The collection of metabolite profiles within a single sample/location and how they are impacted by external factors.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q
  1. What are meta transcriptomics?
A

a. The analysis of a suite of messenger RNA from a sample/system. Gives information on the regulation and expression of genes.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q
  1. What are Metaproteomics?
A

a. Large-scale characterisation of the entire protein complement of a sample at a given time.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q
  1. What percentage of microbes can be cultured?
A

a. 1-5%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q
  1. What is a biofilm?
A

a. A biofilm is a structured community of microbial cells enclosed in a self-produced extracellular polymeric matrix (EPS) and adherent to inert or living surfaces

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q
  1. What do Pseudomonas fluorescens biofilms that grow on the surface of plant roots prevent?
A

a. The growth of fungal pathogens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q
  1. What are the four main benefits to biofilms?
A

a. Protection
b. Stability
c. Nutrients
d. Community

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q
  1. How do biofilms create protection (6)?
A

a. Antibiotics
b. Toxins
c. Antibodies
d. Phage attack
e. Predation
f. Environment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q
  1. How do biofilms create stability (3)?
A

a. Stable growth
b. Environment
c. ‘normal’ growth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q
  1. How do biofilms aid in nutrients (5)?
A

a. Concentration
b. Trace compounds
c. Waste products
d. Reduces gene range
e. Cooperation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q
  1. How does community affect biofilms (3)?
A

a. Gene transfer
b. Signal transduction
c. Quorum sensing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q
  1. How do biofilms develop (3)?
A

a. Adhesion
b. Maturation
c. Dispersion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q
  1. What type of structure does Corynebacterium and cocci in plaque form?
A

a. Corncob

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q
  1. When there is low density of microbial cells there is ________ and when there is high density of cells then there is _________ behaviour.
A

a. Individual

b. Group

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q
  1. What are the three types of Quorum activity?
A

a. Quorum sensing
b. Quorum sensing competitive inhibition
c. Quorum quenching

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q
  1. Biofilms can either be ___________ or _________.
A

a. Cooperative

b. Competitive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q
  1. What ways can biofilms be studied (7)?
A

a. Microscopy
b. Cultoromics
c. Metabarcoding
d. Metagenomics
e. Metatranscriptomics
f. Metaproteomics
g. Metabolomics

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q
  1. What two scales are to be considered when studying biofilms?
A

a. Temporal

b. Spatial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q
  1. What is the holobiont?
A

a. is an assemblage of a host and the many other species living in or around it, which together form a discrete ecological unit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q
  1. What disease states are affected by microbiomes (3)?
A

a. Dysbiosis
b. Low diversity
c. Variable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q
  1. What healthy states are affected by microbiomes?
A

a. Eubiosis
b. High diversity
c. Uniform

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q
  1. What are healthy interactions with microbiomes?
A

a. Obligate symbiosis
b. Vertical inheritance
c. Metabolic collaborations

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q
  1. What is antagonistic coevolution?
A

a. Parasitic

b. Diseased state

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q
  1. What is mutulatistic coevolutoion?
A

a. Positive interactions healthy state

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q
  1. There are 5 types of microbial holobionts, one is a pathogen, one a symbiont. What are the other three?
A

a. Opputunistic pathogen
b. Pathobionts
c. Commensals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q
  1. What is genomics the study of?
A

a. Genes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q
  1. What are transcriptomics the study of?
A

a. mRNA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q
  1. What are proteomics the study of?
A

a. Proteins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q
  1. What are metabolomics the study of?
A

a. Metabolites

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q
  1. What is the definition of metabolomics?
A

a. The study of chemical processes involving live metabolites, the small molecules substrates, intermediates, and products of metabolism within a system. Typically requires identification and quantification of all metabolites.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q
  1. What is metabolite fingerprinting?
A

a. The creation of a spectral fingerprint from a sample. This doesn’t involve the identification or quantification of metabolites

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q
  1. What is metabolite profiling?
A

a. Focus on the analysis of a large group of metabolites that is either related to a specific metabolic pathway or a class of compounds.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q
  1. What is targeted metabolomics?
A

a. Involved the quantitative measurement of known metabolites from defined metabolic process, such as amino acids.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q
  1. What is metabonomics?
A

a. The study of how the metabolome of an organism is impacted by external factors such as diet , environment, toxins etc.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q
  1. What does NMR stand for?
A

a. Nuclear magnetic resonance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q
  1. Are the sample that enter a mass spec and NMR dry or wet?
A

a. Dry

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q
  1. What type of container are samples of NMR placed in?
A

a. Glass

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q
  1. What is a “Sweep” in NMR?
A

a. When the magnets create the alignment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q
  1. What is a “Shift” in NMR?
A

a. The alignment of the atoms after a sweep takes place

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q
  1. What type of solvents must the NMR and Mass spec samples be mixed with?
A

a. Polar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q
  1. What is an isotope?
A

a. Same atom different neutrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q
  1. What makes isotopes useful for NMR?
A

a. They have a unique spin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q
  1. What is precession in relation to NMR?
A

a. the change of spin induced from the magnets in the NMR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q
  1. What effect do the electron clouds of a molecule have on the effects of spinning in a NMR?
A

a. The higher electron density the higher the shielding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q
  1. How is the spin in the NMR calculated?
A

a. The amount of electric current created in the coil

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q
  1. What is a frequency spectrum (NMR)?
A

a. The frequency assigned to a specific isotopes electric current

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q
  1. What is a chemical shift (NMR)?
A

a. The differences in the chemical structure of the nuclei

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q
  1. What is J-coupling (NMR)?
A

a. When electrons from neighbouring atoms affects another atom

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q
  1. What are the benefits of NMR(4)?
A

a. Highly reproducible results
b. Non-destructiuve analysis of samples
c. Ideal for structural characterisation
d. Relatively cheap to run

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q
  1. What are the drawbacks of NMR (4)?
A

a. Limited sensitivity for metabolite
b. Limited sensitivity reduces range of measurable metabolites
c. Very expensive capital expenditure for equipment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

What are samples kept at -80C?

A

Prevent further cell metabolism ans keep at sample taking state

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
63
Q

What are proteins to big to be use in?

A

Mass Spec

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
64
Q
  1. What does Mass Spec analyse?
A

a. Analysis of ions within a vacuum

b. Measure the Mass of the different ions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
65
Q
  1. How are the ions separated in a Mass Spec?
A

a. To a mass to charge ratio

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
66
Q
  1. What do the Quadropoles then use to filter?
A

a. Electric charge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
67
Q
  1. What separates based on speed of travel?
A

a. Time of flight

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
68
Q
  1. Mass Spec gives us Mass-to-Charge (____/____) against _______
A

a. M/Z

b. Intensity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
69
Q
  1. What are the different types of measuring in mass spec?
A

a. Direct infusion MS
b. Matrix Assisted Laser desorption Ionisation MS
c. Liquid Chromatography MS
d. Gas Chromatography MS
e. Ambient Ionisation MS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
70
Q
  1. What is direct infusion Mass Spec and what are the steps(3)?
A

a. Sample extracted into solvent
b. Extract injected directly into MS over two minutes
c. Typically linked to an electrospray ionisation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
71
Q
  1. What is considered the easiest method of Mass spec?
A

a. Direct infusion MS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
72
Q
  1. What is the downfall of Direct infusion MS?
A

a. Gives a limited fingerprint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
73
Q
  1. What is Matrix Assisted Laser desorption Ionisation MS and what are the steps (5)?
A

a. Sample is spotted onto a stainless steel plate
b. A matrix is added on top and provides protons
c. Matrix adsorbs energy from lases (UV or Nd:YAG)
d. This results in an energy ‘cloud’ of ions to erupt
e. Analysed using the time-of-flight

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
74
Q
  1. What is time of flight?
A

a. Time of flight (ToF) is the measurement of the time taken by an object, particle or wave (be it acoustic, electromagnetic, etc.) to travel a distance through a medium.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
75
Q
  1. What is Liquid Chromatography MS and what are the steps(3)?
A

a. Samples contents are separated first
b. Molecules move through columns at different speeds
c. Created a 3D data set based on retention times

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
76
Q
  1. What is Gas chromatography and the steps (4)?
A

a. Samples are extracted and derivatised so that they are volatile
b. The samples are then heated and enter into a column inside an oven
c. Different metabolites progress through at different speeds
d. Created a 3D data set

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
77
Q
  1. What is ambient ionisation MS and what are the steps(4)?
A

a. Generation of ions in a standard atmosphere
b. Ions captured and transferred through a tube hit by a laser
c. Aerosol is transferred to solvent matrix
d. Hits collision surface

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
78
Q
  1. What are the benefits of ambient ionisation MAS?
A

a. Opens up a wide range of application areas
b. Allows analysis in almost real time
c. Mainy different AIM varieties

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
79
Q
  1. What is the Ambient ionisation MS used in queens?
80
Q
  1. What types of Mass Spec Imaging are there?
A

a. Maldi
b. Desi
c. SIMS

81
Q
  1. What is a MALDI?
A

a. Uses a laser beam

b. Desorbed ionized singly charged molecules

82
Q
  1. What is a DESI?
A

a. Charged solvent droplets

b. ESI-like ionised molecules

83
Q
  1. What is a SIMS?
A

a. Primary Ion beam

b. Secondary ions

84
Q
  1. How do we analyse metabolomics data?
A

a. Normalization transformation scaling
b. Multivariate analysis
c. Univariate analysis
d. Database searching
e. Biochemical pathways

85
Q
  1. What is tandem Mass Spec?
A

a. The targeted metabolomics experiment with tandem mass spectrometry measures defined ion transitions from known metabolites

86
Q

Is NMR reproducable?

A

YES, very godd reproduction

87
Q

Is Mass spec a sensitive measure?

A

YES, it cries A LOT

88
Q
  1. What is the definition of health at its most basic level?
A

a. The absence of disease

89
Q
  1. What is personalised health care?
A

a. Using metabolomic footprints to understand health requirements

90
Q
  1. What are lung cancer symptoms (8)?
A

a. A cough that has lasted for 2-3 weeks
b. Cough not getting better but worse
c. Chest infections keep coming back
d. Coughing up blood
e. Ache when breathing and coughing
f. Persistent breathlessness
g. Persistent tired and lack of energy
h. Loss of appetite and unexplained wight gain

91
Q
  1. How can metabolomics be used to diagnose lung cancer?
A

a. Using sputum tests

b. Identify biomarkers

92
Q
  1. What is the accuracy of detecting lung cancer using metabolomics?
93
Q
  1. What do smokers produce that healthy people do not?
94
Q
  1. What is gestational diabetes?
A

a. Diabetes when pregnant

95
Q
  1. How many pregnant women are affected by gestational diabetes?
96
Q
  1. What puts you at risk of gestational diabetes?
A

a. BMI over 30
b. Prevoulsy had a baby that weighed more then 4.5 kilos (10lbs)
c. Had gestational dibates before
d. Parent or sibling has disbetes
e. Non-white

97
Q
  1. What does aetiology meam?
A

a. The cause, set of causes, or manner of causation of a disease or condition

98
Q
  1. What is a heterogeneous medical condition?
A

a. medical term referring to a medical condition with several etiologies (root causes), such as hepatitis or diabetes.

99
Q
  1. What is an Exposome?
A

a. The exposome can be defined as the measure of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual’s exposure begins before birth and includes insults from environmental and occupational sources. Understanding how exposures from our environment, diet, lifestyle, etc.

100
Q
  1. What is breath analysis using metobolomics good for?
A

a. Lung cancer

101
Q
  1. What can breath analysers detect?
A

a. Volatile compounds

b. Give non-invasive biomarkers for the disease

102
Q
  1. What is a major issue with breath analysis?
A

a. They are not very reproducible

103
Q
  1. What can nutritional metabolomics be used for?
A

a. Understand the complexity of diet
b. Correlation of diet and health
c. Determine what a person has eaten

104
Q
  1. What is a benefit of metabelomics complared to traditional nutritional studies?
A

a. Prevents the requirement for diet records

105
Q
  1. How is sampling conducted for nnutritional metabolomics?
A

a. Urine

b. Shite

106
Q
  1. Ways to ensure a robust experimental design in metabolomics (4).
A

a. Statistical power and sample size
b. Batch affect
c. External Cross validation
d. Internal cross validation

107
Q
  1. What are the benefits of metabolomics in human research?
A

a. End-point genome
b. Understanding underlying biochemistry
c. Potentially smaller number of targets
d. Represents phenotype of organism
e. Essential for study of systems biology
f. Wide analytical range
g. Fairly low per sample cost

108
Q
  1. What are the draw backs of metabolomics?
A

a. Difficult for upstream regulation
b. Metabolites involved in multiple pathways
c. Unknown metabolites
d. Impacted by wide range of factors
e. Does not represent all of the systems biology
f. No technique can detect all metabolites
g. Very high capital expenditure

109
Q

Metabolomics allws the _______ detection of disease when there are no _______

A

a. early

b. symptoms

110
Q

Metabolomics can be used as a ___________ tool to determine health

111
Q

What is detected in the early stages of illness and late stages of illness?

A

biomarkers

112
Q

If disease is detected early why can be done using metbolomics to aid this?

A

Change current pathway and return to homeostasis

113
Q

Metabolomics is a _______ area of study, which makes it difficult to maintain sampling througout.

A

longitudinal

114
Q

What screening is not very consistant?

115
Q
  1. Mass spec is used to __________ microorganisms that have been genetically engineered?
A

a. Screens

116
Q
  1. What is the bottleneck of biotechnology?
A

a. The screening processes

117
Q
  1. What is the synthetic biology life cycle?
A

a. Design
b. Build
c. Test
d. Learn

118
Q
  1. What screening methods are there?
A

a. Colourmetric
b. OD
c. Elisa
d. Mass Spec

119
Q
  1. Elisa allow the detection of _________ which leads to a change in adsorbance
A

a. Antibody

120
Q
  1. What tpyes of mass spec are typically used for screening?
A

a. Typically LC-MS or GCMS used to detect product

121
Q
  1. What are the new Mass specs that have been developed for screening?
A

a. REIMS
b. EchoMS
c. Reaction DESI

122
Q
  1. What does REIMS stand for?
A

a. Rapid Evaporative Ionisation MS

123
Q
  1. How does REIMS work?
A

a. Ambient ionisation
b. Rapid laser heating
c. Evaporation contains ions which can be analysed

124
Q
  1. What is Betulinic acid, where is it naturally found, what properties does it have, ?
A

a. Naturally occurring pentacyclic triterpenoid
b. Found in the bark of White Birch trees
c. Shown to have antiretroviral, antimalarial, anti-inflammatory, and anticancer properties

125
Q
  1. You need to keep a balance of ________ expression and ______ concentration
A

a. Gene

b. Substrate

126
Q
  1. Checking for naturally occurring _________ _________ will allow you to develop synthetic organism
A

a. Gene expression

127
Q
  1. What is a scrambled libraries?
A

a. Synthetic Chromosome Rearrangement and Modification by LoxP-mediated Evolution

128
Q
  1. What is an issue with scrambled libraies?
A

a. It impairs unintended genes

129
Q
  1. Reims cost _______ then LC-MS
130
Q
  1. What compounds can reims not beable to detech with REIMS?
A

a. Large molecules

131
Q
  1. What is echo MS?
A

a. Acustic
b. Tranfers nano sized droplets into a MS
c. Only takes 1/3 of a second
d. Very high throughput

132
Q
  1. How many samples can be scanned using ECHO?
A

a. 100,000 in a week

133
Q
  1. What is DESI
A

a. Desorption Electrospray Ionisation MS (DESI-MS)

134
Q
  1. What samples can you not use in adesi?
A

a. Corrosive samples

135
Q
  1. Metabolomics and metataxonomics were used to investigate the efficacy of FMT, the study showed elevated levels of __________ prior to the FMT which causes C. difficile to germinate, and found a reduction of _________ after the treatment.
A

a. Taurocholic acid

b. taxons

136
Q
  1. What is one way to investigate HMO in breast milk and the micobiome?
A

a. Fractionate the milk

b. Use a chemostat system to model the effect on gut microbiome

137
Q
  1. What is the different steps of the research framework for microbiome and metabolome research (6)?
A

a. Observational study
b. Hypothesis based on metaboloites
c. Metaflux/cellculture study
d. Model oragnaism study
e. Intervention study/gene depletion study
f. Clinical trial

138
Q
  1. What ways can the human microbiome be commercialised (4)?
A

a. Sequencing your gut flora
b. Creating microbiomes for people
c. Medications for dysbiosis
d. Biotechnologies

139
Q
  1. Who are uBiome?
A

a. Startup testing shite
b. Got a $600 investment
c. Went bankrupt
d. Investigated by the FBI

140
Q
  1. What are the three case studies covered in the manipulating the microbiome lectures relating to?
A

a. Difficile treatment
b. Human mil
c. Covid-19

141
Q
  1. Chloridoids difficile is part of the ______ microbiota.
142
Q
  1. What eradicates microbiota in the gut?
A

a. Antibiotics

143
Q
  1. What do vegetative C. difficile produce?
144
Q
  1. What is the mortality rate when infected with Chloridoids difficile?
145
Q
  1. What is a treatment method for recurrent Chloridoids difficile?
A

a. Faecal microbiome transplant

146
Q
  1. What are potential issues with faecal transplants (6)?
A

a. In 2019, E. coli introduced: introduce other bugs
i. They could be resistant
b. Can the pill be standardised?
c. Administration route
d. Patients think its gross
e. Need annual treatment
f. Toxins in transplant

147
Q
  1. Youngster et al, 2016 showed a cure rate of _______ after ______ treatments.
A

a. 91%

b. 2

148
Q
  1. In what year did the FDA suspend clinical trials of feacal transplants?
149
Q
  1. Where does a baby first get their microbiota?
A

a. THEIR MA’s DOOT

150
Q
  1. Who was the first to link the gut microbiome and health?
A

a. Escherich

151
Q
  1. If breast feeding how long does the microbiome of the breast milk supply the main source of the microbiome of the baby?
A

a. Up until 14 month

152
Q
  1. After breast feeding what his the second highest influence on the microbiome of infants?
A

a. The household and siblings

153
Q
  1. How many microorganisms are thought to be in breast milk?
A

a. 700 species

154
Q
  1. What are the possible routes of infection of the breast milk?
A

a. Hormonal changes: increase the tits, then more permeable to bacteria
b. Mammary epithelium
c. Internalised in circulatory system ends up in the cells

155
Q
  1. What is found in breast milk that is not eaten by the infants?
A

a. Oligosaccharides

156
Q
  1. What are the 4 commponents to breast milk?
A

a. Protein
b. Fat
c. Lactose
d. Oligiosaccharides

157
Q
  1. How many oligosaccharides are found in breast milk g/L?
158
Q
  1. How many different types of oligosaccharides are there in breast milk?
159
Q
  1. What role does the ooliogosaccharides play if not used?
A

a. Feeds bifidobacteris
b. Acts as a decoy for pathogens
c. Potential roles outside of the gut

160
Q
  1. What is one of the most abundant HMO?
A

a. 2’-fucosyllactose

161
Q
  1. What human microbiomes are there (4)?
A

a. Oral microbiome
b. Skim microbiome
c. Digestive tract microbiome
d. Uritnetia microbiome

162
Q
  1. What microorganisms might you find within the human microbiomes?
A

a. Archaea
b. Bacteria
c. Viruses
d. Fungi
e. Parasite

163
Q
  1. What are the two previous methods used for studying the human microbiome?
A

a. Clone library sequence

b. Terminal restriction fragment length polymorphism

164
Q
  1. What are the four main approaches to study the human microbiome?
A

a. DNA
b. RNA
c. Protein
d. Metabolite

165
Q
  1. What does DNA based approaches in the human microbiome allow you study (5)?
A

a. 16s RNA
b. 18S
c. gene sequence
d. Who is there?
e. What can they do?

166
Q
  1. What does RNA based approaches in the human microbiome allow you study (3)?
A

a. Metatranscriptomics
b. What pathways are used
c. How do they respond

167
Q
  1. What does Protein based approaches in the human microbiome allow you study (3)?
A

a. How are they interacting with the host?
b. What proteins are being produced
c. Metaproteomics

168
Q
  1. What does metabolite-based approaches in the human microbiome allow you study (3)?
A

a. What are the chemical outcomes of their activity?

b. Metabolomics

169
Q
  1. What is Metataxomics also referred to as?
A

a. 16S rRNA gene amplicon sequencing

170
Q
  1. Universil ________ amplify conserved regions of 16S rRNA genes and each sample is given a different _____ for tracing sequencing reads.
A

a. Primers

b. Barcodes

171
Q
  1. What does OUT stand for?
A

a. Operational taxonomic unit

172
Q
  1. Metataxonomics can give _____ to genus level.
173
Q
  1. Is statistical modelling easy or difficult in metataxonomics?
A

a. Difficult

174
Q
  1. Is the data from metataxonomics quantitative or qualitative?
A

a. Qualitative

175
Q
  1. Metataxonomics studies are robust (T/F)?
176
Q
  1. What is always difficult when completing a Metataxomic study?
A

a. Taxonomic identification

177
Q
  1. How many base pars does B. anthracis and B thuringienis differ by in their 16S gene?
178
Q
  1. What can Metataxomic not tell you about the microbial community?
A

a. What they are doing

179
Q
  1. The data analysis of metagenomics is complicated (T/F)?
180
Q
  1. To assign function there what does there need to be?
A

a. A database entry

181
Q
  1. Host _______ can be a complicating factor in metagenomics.
182
Q
  1. When using Metatranscriptomics it gives a snapshot of the active ________.
183
Q
  1. What is the majority of genetic material collected in humans in Metatranscriptomics?
184
Q
  1. What are the majority of non-human mRNA collected in Metatranscriptomics?
A

a. Ribosomal

185
Q
  1. During metaproteomics the protein sequence is determined and then _________ matched.
A

a. Database

186
Q
  1. What do ribosomal proteins give you _________ composition in metaproteomics?
A

a. Taxonomic

187
Q
  1. In metaproteomics non-ribosomal proteins give you what kind of information?
A

a. Functional information

188
Q
  1. What method is considered the cross-kingdom interaction?
A

a. .Metabolomics

189
Q
  1. What is one of the issues with Metabolomics?
A

a. Finding the source of the metabolite

190
Q
  1. What is fluxomics?
A

a. is the study of comprehensive flux in the metabolic network of a cell,

191
Q
  1. How is fluxomic studied?
A

a. Isotope labelling to track metabolism
b. Labelled energy source fed in at time point
c. Labelling is incorporated and measured
d. Shows where energy is going in the system

192
Q
  1. Why is culturomics important?
A

a. Isolates are required for hypothesis testing

193
Q
  1. What must be replication in culturomics?
A

a. The environment of the microbe

194
Q
  1. DNA extraction kits are not produced sterile (T/F).
195
Q
  1. Sampling _________ for DNA/RNA, proteins, and metabolites.
A

a. Differs

196
Q
  1. What is difficult to establish in microbiome studies?
A

a. Cause and effect

197
Q

When the microbiome is taken out of the body what happens to the microbes?

A

they go into shock and then they change gene and protein expression

OMICS (11 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions