An ecological perspective on bacterial biodiversity.
TL;DR: From recent studies of the distribution of free–living bacterial diversity, a preliminary picture is emerging: bacterial diversity may exhibit regular patterns, and in some cases these patterns may be qualitatively similar to those observed for plants and animals.
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Abstract: Bacteria may be one of the most abundant and species-rich groups of organisms, and they mediate many critical ecosystem processes Despite the ecological importance of bacteria, past practical and theoretical constraints have limited our ability to document patterns of bacterial diversity and to understand the processes that determine these patterns However, recent advances in molecular techniques that allow more thorough detection of bacteria in nature have made it possible to examine such patterns and processes Here, we review recent studies of the distribution of free-living bacterial diversity and compare our current understanding with what is known about patterns in plant and animal diversity From these recent studies a preliminary picture is emerging: bacterial diversity may exhibit regular patterns, and in some cases these patterns may be qualitatively similar to those observed for plants and animals
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TL;DR: Phylogenetic analysis of the retrieved rRNA sequence of an uncultured microorganism reveals its closest culturable relatives and may, together with information on the physicochemical conditions of its natural habitat, facilitate more directed cultivation attempts.
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Diversity in tropical rain forests and coral reefs.
TL;DR: The commonly observed high diversity of trees in tropical rain forests and corals on tropical reefs is a nonequilibrium state which, if not disturbed further, will progress toward a low-diversity equilibrium community as mentioned in this paper.
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Brock Biology of Microorganisms
Michael T. Madigan,John M. Martinko,Jack Parker +2 more
- 09 Aug 1996
TL;DR: A six-part presentation covers principles of microbiology; evolutionary microbiology and microbial diversity; metabolic diversity and microbial ecology; immunology, pathogenicity, and host responses; microbial diseases; andmicroorganisms as tools for industry and research.
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Towards a natural system of organisms: proposal for the domains Archaea, Bacteria, and Eucarya.
TL;DR: It is proposed that a formal system of organisms be established in which above the level of kingdom there exists a new taxon called a "domain." Life on this planet would be seen as comprising three domains, the Bacteria, the Archaea, and the Eucarya, each containing two or more kingdoms.
6.1K
Prokaryotes: The unseen majority
TL;DR: The number of prokaryotes and the total amount of their cellular carbon on earth are estimated to be 4-6 x 10(30) cells and 350-550 Pg of C (1 Pg = 10(15) g), respectively, which is 60-100% of the estimated total carbon in plants.