دورية أكاديمية
أعرض في EDS

Host-specificity and dynamics in bacterial communities associated with Bloom-forming freshwater phytoplankton.

التفاصيل البيبلوغرافية
العنوان: Host-specificity and dynamics in bacterial communities associated with Bloom-forming freshwater phytoplankton.
المؤلفون: Bagatini IL; Laboratório de Ficologia, Departamento de Botânica, Universidade Federal de São Carlos, São Carlos, SP, Brasil., Eiler A; Department of Ecology and Genetics, Limnology and Science for Life Laboratories, Uppsala University, Uppsala, Sweden., Bertilsson S; Department of Ecology and Genetics, Limnology and Science for Life Laboratories, Uppsala University, Uppsala, Sweden., Klaveness D; Department of Biosciences, University of Oslo, Oslo, Norway., Tessarolli LP; Laboratório de Ficologia, Departamento de Botânica, Universidade Federal de São Carlos, São Carlos, SP, Brasil., Vieira AA; Laboratório de Ficologia, Departamento de Botânica, Universidade Federal de São Carlos, São Carlos, SP, Brasil.
المصدر: PloS one [PLoS One] 2014 Jan 20; Vol. 9 (1), pp. e85950. Date of Electronic Publication: 2014 Jan 20 (Print Publication: 2014).
نوع المنشور: Journal Article; Research Support, Non-U.S. Gov't
اللغة: English
بيانات الدورية: Publisher: Public Library of Science Country of Publication: United States NLM ID: 101285081 Publication Model: eCollection Cited Medium: Internet ISSN: 1932-6203 (Electronic) Linking ISSN: 19326203 NLM ISO Abbreviation: PLoS One Subsets: MEDLINE
أسماء مطبوعة: Original Publication: San Francisco, CA : Public Library of Science
مواضيع طبية MeSH: Eutrophication*, Cyanobacteria/*genetics , Diatoms/*genetics , Fresh Water/*microbiology , Phytoplankton/*growth & development, Ecosystem ; Lakes
مستخلص: Many freshwater phytoplankton species have the potential to form transient nuisance blooms that affect water quality and other aquatic biota. Heterotrophic bacteria can influence such blooms via nutrient regeneration but also via antagonism and other biotic interactions. We studied the composition of bacterial communities associated with three bloom-forming freshwater phytoplankton species, the diatom Aulacoseira granulata and the cyanobacteria Microcystis aeruginosa and Cylindrospermopsis raciborskii. Experimental cultures incubated with and without lake bacteria were sampled in three different growth phases and bacterial community composition was assessed by 454-Pyrosequencing of 16S rRNA gene amplicons. Betaproteobacteria were dominant in all cultures inoculated with lake bacteria, but decreased during the experiment. In contrast, Alphaproteobacteria, which made up the second most abundant class of bacteria, increased overall during the course of the experiment. Other bacterial classes responded in contrasting ways to the experimental incubations causing significantly different bacterial communities to develop in response to host phytoplankton species, growth phase and between attached and free-living fractions. Differences in bacterial community composition between cyanobacteria and diatom cultures were greater than between the two cyanobacteria. Despite the significance, major differences between phytoplankton cultures were in the proportion of the OTUs rather than in the absence or presence of specific taxa. Different phytoplankton species favoring different bacterial communities may have important consequences for the fate of organic matter in systems where these bloom forming species occur. The dynamics and development of transient blooms may also be affected as bacterial communities seem to influence phytoplankton species growth in contrasting ways.
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تواريخ الأحداث: Date Created: 20140128 Date Completed: 20150123 Latest Revision: 20211021
رمز التحديث: 20231215
مُعرف محوري في PubMed: PMC3896425
DOI: 10.1371/journal.pone.0085950
PMID: 24465807
قاعدة البيانات: MEDLINE
الوصف
تدمد:1932-6203
DOI:10.1371/journal.pone.0085950