HUMAN MICROBIOME Flashcards

1
Q

microbiome

A

totality of microbes, their genomes and environmental interaction in a defined environment

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2
Q

microbiota

A

microbes that typically inhabit a specific environment

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3
Q

superoragnisms

A

human+microbiota - coevolution

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4
Q

how many human to bacterial cells

A

10x more bacterial cells than human cells

10^13 humans and 10^14 bacterial

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5
Q

antibiotics strip the gut microbiota

A

2 yrs to replace

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6
Q

Gut microbes immune regulationn

A

remove toxins, crown out pathogens and detox metabolites

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7
Q

Gut microbes birth

A

colonisation begins

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8
Q

Gut microbes antibiotics

A

remove the good and the bad

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9
Q

exposure to antibiotics during pregnancy

A

increases the risk of developing an allergic disease

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10
Q

internal tissues - exception

A

gnotobiotic,

herpes zoster virus lives in the CNS

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11
Q

affects which microbes colonise where

A

pH, temperature and moisture

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12
Q

skin microbiota

A

staphylococci and diphtheroids

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13
Q

hygiene hypothesis

A

less exposure to infectious agents at a young age increases the chance of developing an allergic disease

spikes at varying times over last 120 year - showing different contributing factors

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14
Q

David Strachan

A

proposed that lower incidence of infection at a young age causes a rise in atopic diseases such as eczthma and asthma

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15
Q

delphi techniquie

A

relies on people having knowledge and also good judgement - qualitative technique

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16
Q

1980s

A

dramatic increase in food poisoning due to salmonella nd campyobacter

17
Q

infectious intestinal disease cases in UK annually

A

17 million

18
Q

norovirus

A

spread person - person, most significant cause of intestinal infection in the developed world

19
Q

respiratory hygiene

A

wash hands to stop cold a flu spreading

20
Q

% people developing a HCAI in developed countries

A

7%

MRSA, C.diff, pseudomonas and e.coli

21
Q

most susceptible to HCAI

A

elderly, invasive devices and immunocomprmised

22
Q

norovirus and E.coli 0157 :H7

A

low infectious doses

23
Q

Old friends hypothesis

A

vital exposure to commensal microbes which aren’t harmful which are acquired from skin, gut and rest system of other humans

24
Q

hunter gather groups

A

helicobacter pylori and Hepatitis A virus - activated immunoregulatory systems

25
Q

epidemiological studies in finland, denmark and uk

A

show that childhood infections don’t protect us against allergic disorders

26
Q

studies show that OFs are

A

vital to help balance our immune system so that it doesn’t over react

27
Q

polyphenols and fish oils

A

help to regulate our gut microbiota

28
Q

hygiene is irrelevant to

A

micro biome distribution

29
Q

micro biome distribution is altered through

A

diet and antibiotics ….

30
Q

smart medicine

A

smart antibiotics, microbial transplant and personalised biomarkers