Viral Lysis Alters the Optical Properties and Biological Availability of Dissolved Organic Matter Derived from Prochlorococcus Picocyanobacteria.

Applied and Environmental Microbiology
Xilin XiaoRui Zhang

Abstract

Phytoplankton contribute almost half of the world's total primary production. The exudates and viral lysates of phytoplankton are two important forms of dissolved organic matter (DOM) in aquatic environments and fuel heterotrophic prokaryotic metabolism. However, the effect of viral infection on the composition and biological availability of phytoplankton-released DOM is poorly understood. Here, we investigated the optical characteristics and microbial utilization of the exudates and viral lysates of the ecologically important unicellular picophytoplankton Prochlorococcus Our results showed that Prochlorococcus DOM produced by viral lysis (Pro-vDOM) with phages of three different morphotypes (myovirus P-HM2, siphovirus P-HS2, and podovirus P-SSP7) had higher humic-like fluorescence intensities, lower absorption coefficients, and higher spectral slopes than DOM exuded by Prochlorococcus (Pro-exudate). The results indicate that viral infection altered the composition of Prochlorococcus-derived DOM and might contribute to the pool of oceanic humic-like DOM. Incubation with Pro-vDOM resulted in a greater dissolved organic carbon (DOC) degradation rate and lower absorption spectral slope and heterotrophic bacterial growth rate than ...Continue Reading

References

May 13, 2006·Science·Heather A BoumanShubha Sathyendranath
Jul 6, 2006·Applied and Environmental Microbiology·T Z DeSantisG L Andersen
Jun 26, 2007·Applied and Environmental Microbiology·Qiong WangJames R Cole
Sep 5, 2008·Current Protocols in Cytometry·D MarieC Brussaard
Apr 13, 2010·Nature Methods·J Gregory CaporasoRob Knight
Dec 15, 2010·Annual Review of Marine Science·Frédéric Partensky, Laurence Garczarek
Jun 28, 2011·Bioinformatics·Robert C EdgarRob Knight
Aug 17, 2011·Proceedings of the National Academy of Sciences of the United States of America·Luke R ThompsonSallie W Chisholm
Sep 9, 2011·The ISME Journal·Albert BarberánNoah Fierer
Sep 10, 2011·Bioinformatics·Tanja Magoč, Steven L Salzberg
Jun 16, 2012·Environmental Microbiology·Laura Gómez-ConsarnauJarone Pinhassi
Jul 17, 2012·The Science of the Total Environment·Dolly N KothawalaLars J Tranvik
Jul 17, 2012·Nature Reviews. Microbiology·Karoline Faust, Jeroen Raes
Apr 13, 2013·FEMS Microbiology Ecology·Rui ZhangPei-Yuan Qian
May 25, 2013·Proceedings of the National Academy of Sciences of the United States of America·Pedro FlombaumAdam C Martiny
Apr 22, 2014·Frontiers in Microbiology·Jamie W BeckerDaniel J Repeta
Dec 2, 2014·Nature Reviews. Microbiology·Steven J BillerSallie W Chisholm
Jan 30, 2015·Nature Communications·Teresa S CataláX Antón Álvarez-Salgado
May 15, 2015·Environmental Microbiology·Cara L FioreElizabeth B Kujawinski
Aug 12, 2015·The ISME Journal·Kristina D A MojicaCorina P D Brussaard
Oct 7, 2015·Proceedings of the National Academy of Sciences of the United States of America·David J Lea-SmithChristopher J Howe
Apr 19, 2016·Current Opinion in Microbiology·Bonnie L Hurwitz, Jana M U'Ren
Jun 22, 2016·Current Biology : CB·Aaron Kaplan
Dec 13, 2016·Environmental Microbiology Reports·Joe D Taylor, Michael Cunliffe
Dec 27, 2018·Environmental Microbiology·Xiaoting FangQinglu Zeng

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