RNA-Seq Reveals that Light and Darkness Are Different Stimuli in Freshwater Heterotrophic Actinobacteria.

التفاصيل البيبلوغرافية
العنوان:	RNA-Seq Reveals that Light and Darkness Are Different Stimuli in Freshwater Heterotrophic Actinobacteria.
المؤلفون:	Hempel PP; Center for Bioinformatics and Computational Biology, University of Delaware, Newark, DE, United States., Keffer JL; Department of Civil and Environmental Engineering, University of Delaware, Newark, DE, United States., Maresca JA; Department of Civil and Environmental Engineering, University of Delaware, Newark, DE, United States.
المصدر:	Frontiers in microbiology [Front Microbiol] 2021 Nov 01; Vol. 12, pp. 739005. Date of Electronic Publication: 2021 Nov 01 (Print Publication: 2021).
نوع المنشور:	Journal Article
اللغة:	English
بيانات الدورية:	Publisher: Frontiers Research Foundation Country of Publication: Switzerland NLM ID: 101548977 Publication Model: eCollection Cited Medium: Print ISSN: 1664-302X (Print) Linking ISSN: 1664302X NLM ISO Abbreviation: Front Microbiol Subsets: PubMed not MEDLINE
أسماء مطبوعة:	Original Publication: Lausanne : Frontiers Research Foundation
مستخلص:	Light is a ubiquitous source of both energy and information in surface environments, and regulates gene expression not only in photosynthetic microorganisms, but in a broad range of photoheterotrophic and heterotrophic microbes as well. Actinobacteria are keystone species in surface freshwater environments, where the ability to sense light could allow them to coordinate periods of nutrient uptake and metabolic activity with primary production. The model freshwater Actinobacteria Rhodoluna ( R. ) lacicola strain MWH-Ta8 and Aurantimicrobium ( A. ) photophilum strain MWH-Mo1 grow faster in the light than in the dark, but do not use light energy to support growth. Here, we characterize transcription throughout a light-dark cycle in R. lacicola and A. photophilum . In both species, some genes encoding carbohydrate metabolism and storage are upregulated in the light. However, expression of genes of the TCA cycle is only coordinated with light availability in R. lacicola. In fact, the majority of genes that respond to light and darkness in these two species are different, even though their light-responsive phenotypes are similar. The ability to respond to light and darkness may be widespread in freshwater Actinobacteria, but the genetic networks controlled by these two stimuli may vary significantly. Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. (Copyright © 2021 Hempel, Keffer and Maresca.)
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فهرسة مساهمة:	Keywords: Actinobacteria; competence; cryptochrome; freshwater; light-dark cycle; transcriptome
تواريخ الأحداث:	Date Created: 20211118 Latest Revision: 20240404
رمز التحديث:	20240404
مُعرف محوري في PubMed:	PMC8591293
DOI:	10.3389/fmicb.2021.739005
PMID:	34790178
قاعدة البيانات:	MEDLINE

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تدمد:	1664-302X
DOI:	10.3389/fmicb.2021.739005