상세 정보

underline
Metadata Downloads : dc(xml) or Excel
Cited 0 time in scopus ci

Title 

Phenotypic niche partitioning and transcriptional responses of Microcystis aeruginosa in a spatially heterogeneous environment

Authors 

A SrivastavaJeong HaeyoungSo Ra KoChi-Yong AhnJ W ChoiY I ParkB A NeilanHee-Mock Oh

Publisher 

Elsevier

Issue Date 

2019

Citation 

Algal Research

Keywords 

MicrocystisTranscriptomicsHeterogeneous environmentMorphotypes

Abstract 

Variant morphotypes (smooth; S-type and wrinkled; W-type cells) of Microcystis aeruginosa KW strain were observed in bloom samples and during the cultivation of cells in static broth cultures. RNA-seq based whole transcriptome sequencing was performed to examine the pattern of gene expression in these morphotypes. In total 493 differentially expressed transcripts were identified between the two morphotypes. Genes involved in photosynthesis, photosynthesis-related antenna proteins and oxidative phosphorylation were significantly upregulated in W-type cells relative to the control (S-type cells). Here we discussed the roles of these genes and showed that M. aeruginosa responds and acclimates to subtle variations in environmental parameters, especially light, through alteration of the transcript levels of relevant genes. Furthermore, additional physiological experiments such as analyses of photosynthetic activity, redox state and exopolysaccharide production provided further evidence and confirmed the validity of the transcriptomic results. The findings of this study provide greater insight into the metabolic pathways and complex mechanisms that may regulate the interaction and niche adaptation of this important bloom-forming organism in fluctuating environmental conditions.

URI 

https://doi.org/10.1016/j.algal.2019.101551

ISSN 

2211-9264

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-07-10


There are no files associated with this item.
qrcode

FusionCharts.
DSpace Software Coptright(c) 2010 MIT and Hewleft-Packard  /  KRIBB-REPOSITORY ( Email:jakim@kribb.re.kr)