purple bacteria

purple bacteria
a group of Gram-negative pink to purplish-brown bacteria, comprising the purple sulfur bacteria and purple nonsulfur bacteria, that occur in anaerobic aquatic environments and carry out a unique form of photosynthesis without oxygen, using the pigment bacteriochlorophyll.
[1895-1900]

* * *


Universalium. 2010.

Игры ⚽ Нужно решить контрольную?

Look at other dictionaries:

  • Purple bacteria — or purple photosynthetic bacteria are proteobacteria that are phototrophic, i.e. capable of producing energy through photosynthesis.cite journal author=D.A. Bryant N. U. Frigaard month=Nov year=2006 title=Prokaryotic photosynthesis and… …   Wikipedia

  • purple bacteria — noun free living Gram negative pink to purplish brown bacteria containing bacteriochlorophyll • Hypernyms: ↑phototrophic bacteria, ↑phototropic bacteria * * * a group of Gram negative pink to purplish brown bacteria, comprising the purple sulfur… …   Useful english dictionary

  • Purple sulfur bacteria — Scientific classification Kingdom: Bacteria Phylum: Proteobacteria Class …   Wikipedia

  • bacteria — bacterial, adj. bacterially, adv. /bak tear ee euh/, n.pl., sing. bacterium / tear ee euhm/. ubiquitous one celled organisms, spherical, spiral, or rod shaped and appearing singly or in chains, comprising the Schizomycota, a phylum of the kingdom …   Universalium

  • Purple — This article is about the color. For other uses, see Purple (disambiguation). Purple …   Wikipedia

  • Bacteria — Taxobox color = lightgrey name = Bacteria fossil range = Archean or earlier Recent image width = 210px image caption = Escherichia coli image is 8 micrometres wide. domain = Bacteria subdivision ranks = Phyla [cite web… …   Wikipedia

  • purple bacterium — n any of various free living bacteria that contain bacteriochlorophyll marked by purplish or sometimes reddish or brownish pigments * * * a photosynthetic bacterium that reduces CO2 in the presence of sulfur compounds; there are two types: the… …   Medical dictionary

  • Purple acid phosphatases — (PAPs) (EC number|3.1.3.2) are metalloenzymes that hydrolyse phosphate esters and anhydrides under acidic condition. [Antanaitis, B.C. and P. Aisen, Uteroferrin and the purple acid phosphatases. Adv Inorg Biochem, 1983. 5: p. 111 36.]… …   Wikipedia

  • Purple mangosteen — Mangosteen redirects here. This may also refer to the entire genus Garcinia. Purple Mangosteen Illustration from Fleurs, Fruits et Feuillages Choisis de l Ile de Java 1863 1864 by Berthe Hoola van Nooten (Pieter De Pannemaeker lithographer) …   Wikipedia

  • photosynthetic bacteria — Bacteria that are able to carry out photosynthesis. Light is absorbed by bacteriochlorophyll and carotenoids. Two principal classes are the green bacteria and the purple bacteria …   Dictionary of molecular biology

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”