Microorganisms (Wk 1) Flashcards
study of all of the genetic material (DNA) in living cells
Genomics
Manipulation of cellular genomes
biotechnology
study of RNA patterns
Transcriptomics
study of all the proteins produced by cell(s)
Proteomics
study of metabolic expression in cells
metabolomics
Barrier that separates the inside of the cell from the outside environment
cell membrane
Present in most microbes, confers structural strength
cell wall
chemical transformation of nutrients
metabolism
generation of two cells from one
reproduction
genetic changes in cells that are transferred to offspring
evolution
what are the 3 properties of all cells?
1) metabolism 2) reproduction 3) evolution
synthesis of new substances or structures that modify the cell
differentiation
generation of, and response to, chemical signals
communication
protein catalysts of the cell that accelerate chemical reactions
enzymes
DNA produces RNA
transcription
RNA makes protein
translation
Populations of interacting assemblages of microbes in nature
microbial communities
The environment in which a microbial population lives
habitat
All living organisms plus physical and chemical constituents of their environment
ecosystem
The study of microbes in their natural environment
microbial ecology
common ancestral cell from which all cells descended
LUCA - last universal common ancestor
The atmosphere was ______until ~2 billion years ago
anoxic
Earth is _______ years old
4.6 billion
Life was exclusively ______ until ~1 billion years ago
microbial
Most microbial cells are found in _______and ________ subsurfaces
oceanic, terrestrial
Give examples of microbes as biofuels
methane, ethanol, hydrogen
using microbes to clean up pollutants
bioremediation
Early microscopist that observed fruiting molds
Robert Hooke
First microscopist to observe bacteria
Antoni van Leeuwenhoek
Invented first vaccine (small pox)
Edward Jenner
Disproved spontaneous generation
Louis Pasteur
invented vaccines for rabies and anthrax
Louis Pasteur
responsible for pure cultures
Robert Koch
Identified infectious agents of cholera and TB
Robert Koch
His hypothesis stated: material in dead bacterial cells can genetically transform living bacterial cells
Fred Griffith
Field that focuses on nonmedical aspects of microbiology
microbial diversity
1st to study microbial diversity and developed enrichment culture technique
Martinus Beijerinck
Proposed concept of chemolithotrophy
Sergei Winogradsky
Oxidation of inorganic compounds linked to energy conservation
chemolithotrophy
The science of grouping and classifying microorganisms
microbial systematics
Study of the nutrients that microbes require for metabolism and growth and the products that they generate
microbial physiology
Study of cellular structure
cytology
these subdisciplines of applied microbiology have roots in Koch’s work. ______ and _______
medical microbiology & immunology
these subdisciplines of applied microbiology developed from concepts developed by Beijerinck & Winogradsky. ______ and ________
Agricultural & industrial microbiology
these subdisciplines of applied microbiology developed from advances in soil microbiology
Aquatic & marine microbiology
Study of microbial enzymes and chemical reactions
microbial biochemistry
Study of heredity and variation in bacteria
Bacterial genetics
Study of viruses
virology