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Aerobic Anoxygenic Photosynthesis Is Commonly Present within the Genus Limnohabitans

V. Kasalický, Y. Zeng, K. Piwosz, K. Šimek, H. Kratochvilová, M. Koblížek,

. 2018 ; 84 (1) : . [pub] 20171215

Jazyk angličtina Země Spojené státy americké

Typ dokumentu časopisecké články

Perzistentní odkaz   https://www.medvik.cz/link/bmc18010304
E-zdroje Online Plný text

NLK Free Medical Journals od 1976 do Před 6 měsíci
PubMed Central od 1976 do Před 6 měsíci
Europe PubMed Central od 1976 do Před 6 měsíci
Open Access Digital Library od 1953-01-01

Odkazy

PubMed 29030444
DOI 10.1128/aem.02116-17
Knihovny.cz E-zdroje

The genusLimnohabitans(Comamonadaceae,Betaproteobacteria) is a common and a highly active component of freshwater bacterioplanktonic communities. To date, the genus has been considered to contain only heterotrophic species. In this study, we detected the photosynthesis genespufLMandbchYin 28 of 46 strains from threeLimnohabitanslineages. ThepufMsequences obtained are very closely related to environmentalpufMsequences detected in various freshwater habitats, indicating the ubiquity and potential importance of photoheterotrophicLimnohabitansin nature. Additionally, we sequenced and analyzed the genomes of 5 potentially photoheterotrophicLimnohabitansstrains, to gain further insights into their phototrophic capacity. The structure of the photosynthesis gene cluster turned out to be highly conserved within the genusLimnohabitansand also among all potentially photosyntheticBetaproteobacteriastrains. The expression of photosynthetic complexes was detected in a culture ofLimnohabitans planktonicusII-D5Tusing spectroscopic and pigment analyses. This was further verified by a novel combination of infrared microscopy and fluorescentin situhybridization.IMPORTANCEThe data presented document that the capacity to perform anoxygenic photosynthesis is common among the members of the genusLimnohabitans, indicating that they may have a novel role in freshwater habitats.

Citace poskytuje Crossref.org

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