Document Detail


Contribution of aerobic photoheterotrophic bacteria to the carbon cycle in the ocean.
MedLine Citation:
PMID:  11431568     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The vertical distribution of bacteriochlorophyll a, the numbers of infrared fluorescent cells, and the variable fluorescence signal at 880 nanometers wavelength, all indicate that photosynthetically competent anoxygenic phototrophic bacteria are abundant in the upper open ocean and comprise at least 11% of the total microbial community. These organisms are facultative photoheterotrophs, metabolizing organic carbon when available, but are capable of photosynthetic light utilization when organic carbon is scarce. They are globally distributed in the euphotic zone and represent a hitherto unrecognized component of the marine microbial community that appears to be critical to the cycling of both organic and inorganic carbon in the ocean.
Authors:
Z S Kolber; F G Plumley; A S Lang; J T Beatty; R E Blankenship; C L VanDover; C Vetriani; M Koblizek; C Rathgeber; P G Falkowski
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Science (New York, N.Y.)     Volume:  292     ISSN:  0036-8075     ISO Abbreviation:  Science     Publication Date:  2001 Jun 
Date Detail:
Created Date:  2001-06-29     Completed Date:  2001-07-12     Revised Date:  2007-03-19    
Medline Journal Info:
Nlm Unique ID:  0404511     Medline TA:  Science     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2492-5     Citation Subset:  IM    
Affiliation:
Environmental Biophysics and Molecular Ecology Program, Institute of Marine and Coastal Sciences, Rutgers University, 71 Dudley Road, New Brunswick, NJ 08901-8521, USA. zkolber@imcs.rutgers.edu
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MeSH Terms
Descriptor/Qualifier:
Aerobiosis
Alphaproteobacteria / classification,  growth & development,  isolation & purification,  metabolism*
Atlantic Ocean
Bacteriochlorophylls / analysis
Carbon / metabolism
Carbon Dioxide / metabolism*
Colony Count, Microbial
Culture Media
Ecosystem
Genes, Bacterial
Genes, rRNA
Microscopy, Fluorescence
Pacific Ocean
Photosynthesis*
Phylogeny
RNA, Ribosomal, 16S / genetics
Seawater / microbiology*
Spectrometry, Fluorescence
Chemical
Reg. No./Substance:
0/Bacteriochlorophylls; 0/Culture Media; 0/RNA, Ribosomal, 16S; 124-38-9/Carbon Dioxide; 7440-44-0/Carbon
Comments/Corrections
Comment In:
Science. 2001 Jun 29;292(5526):2444-5   [PMID:  11431556 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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