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Microbial Ecology

by: Alexandra Senger

Microbial Ecology MICR 3154

Alexandra Senger
Weber State University
GPA 3.95

Michele Zwolinski

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Michele Zwolinski
Class Notes
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This 3 page Class Notes was uploaded by Alexandra Senger on Wednesday October 28, 2015. The Class Notes belongs to MICR 3154 at Weber State University taught by Michele Zwolinski in Fall. Since its upload, it has received 14 views. For similar materials see /class/230779/micr-3154-weber-state-university in Microbiology at Weber State University.

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Date Created: 10/28/15
Interactions among and between microbial populations1 Population and Community Terms Objectives Population a group ofmicrobes all having the same 1 List and describe the ways microbes of the same gene makeup and thus Sharing the same SUbStl39afES species interact and lling the same ecological nic 2 List and describe the ways different microbial populations in eract Niche a region in a multidimensional space of 3 provide microbial examples of microbial com petition environmental factors that effect the welfare of a species synergism amensalism parasitism predation mumallsm Community collection ofpopulations in a given area 4 Understand the importance ofbio lms and bio lm The highest biological unit in ecological hierarchy research to clinical and environmental microbiology composed of interacting popula ions Pre quiz Thursday Chapter 3 pp 6067 Microbial Interactions Proliferation Hypothesis Interactions within populations Biological diversification and complexity interactions between populations are the products of proliferation through adaptation and association at each level of biological organization Molecular 9 ecosystem CH 14 Interactions that have been occurring the longest are the most complex Interactions Among Microbial Populations Microbes do not occur in pure culture in Interactions increase habitat range nature very few exceptions Lichens Interactions increase ability to use resources space nutrients food Interactions may increasedecrease growth rate Microbes commonly interact Microbes interact in positive and negative ways Neutralism where neitherorganism is impacted by interaction is a rare and perhaps only theoretical mevacuunsAmung Mmmma Pu mauuns mm Dwamsvsmzl m WWW mm mrvdmmm mum m m mm 5 n pass bk O mevactmns Amung Mmmma Pupmauuns nugspnmmz am vasmvaand mm mmmnsmay mum Wm We mum va e WWW mm WWW ceHar Dwamsm anvma vabservm w mam m amma S manymm anmevme mswaepmmmw m mugs mevactmns Amung Mmmma Pupmauuns u vacuum mevactmns Amung Mmmma Pupmauuns m mmm m mmlamuu nmmam mevactmns Amung Mmmma Pupmauuns p up u auun mumquot 5m mm bvvmdung E a E Senseenmmnmems mevv wmsver prmnmv mg mm w wedan m asvvenencemhanve M5 Interactions Among Microbial Populations within single population J Dictyosz eium Dictyosz eium Interactions Among Microbial Populations Microbial Artistry 7 within single population Negative Interactions within a population Competition For substrate molecules For prey Forspace Accumulation of toxic substances Metabolic byproducts inhibitory levels Fatty acids H28 lactic acid ethanol Genetic suicide mechanisms


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