Tag Archives | Microbiology

Biology Notes on Retroviridae | Microbiology

The below mentioned article provides notes on retroviridae. The family Retroviridae falls under the Group VI (ssRNA-reverse transcribing viruses). The virions are enveloped, helical or isometric having two linear (+) sense ssRNA, reverse transcriptase and integrase. Examples are MLV [Murine leukemia virus and related virus e.g. Spumavirus (human foamy virus)], Lentivirus (human immunodeficiency virus or HIV), Visna virus, Deltaretrovints, Alpharetrovims. [...]

By |2016-11-28T11:04:41+00:00November 28, 2016|Animal Viruses|Comments Off on Biology Notes on Retroviridae | Microbiology
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Mechanism of Bacterial Photosynthesis | Microbiology

In this article we will discuss about the mechanism of bacterial photosynthesis. The absorption of light is by a pigment molecule which after absorption delivers the energy to electron carriers that can transduce the energy into chemical form. The function of chlorophyll molecule is absorption of photons. The energy contained in the excited pigments is channelled through light-harvesting pigments (also [...]

By |2016-11-28T11:04:41+00:00November 28, 2016|Bacterial Photosynthesis|Comments Off on Mechanism of Bacterial Photosynthesis | Microbiology
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Photosynthetic Bacteria: History and Classification | Microbiology

In this article we will discuss about:- 1. History of Photosynthetic Bacteria 2. Classification of Photosynthetic Bacteria 3. Metabolism. History of Photosynthetic Bacteria: Before nineteenth century it was considered that the photosyn­thetic machinery is present in purple bacteria because these bacteria showed movement towards light (phototactic) and growth is also induced by light. On the other hand, S. Winogradsky, a [...]

By |2016-11-28T11:04:41+00:00November 28, 2016|Photosynthetic Bacteria|Comments Off on Photosynthetic Bacteria: History and Classification | Microbiology
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