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First Insights into the Subterranean Crustacean Bathynellacea Transcriptome: Transcriptionally Reduced Opsin Repertoire and Evidence of Conserved Homeostasis Regulatory Mechanisms

Cited 1 time in scopus
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Title
First Insights into the Subterranean Crustacean Bathynellacea Transcriptome: Transcriptionally Reduced Opsin Repertoire and Evidence of Conserved Homeostasis Regulatory Mechanisms
Other Titles
crustacean Bathynellacea의 전사체 해독및 특성 분석
Authors
Kim, Bo-Mi
Park, Hyun
Min, Gi-Sik
Cho, Joo-Lae
Lee, Chi-Woo
Ahn, Inhye
Kim, Jin-Hyoung
Ahn, Do Hwan
Kang, Seunghyun
Subject
Science & Technology - Other Topics
Keywords
Bathynellacea; Homeostasis; Transcriptome
Issue Date
2017
Citation
Kim, Bo-Mi, et al. 2017. "First Insights into the Subterranean Crustacean Bathynellacea Transcriptome: Transcriptionally Reduced Opsin Repertoire and Evidence of Conserved Homeostasis Regulatory Mechanisms". PLOS ONE, 12(1): 170424-0.
Abstract
Bathynellacea (Crustacea, Syncarida, Parabathynellidae) are subterranean aquatic crustaceans that typically inhabit freshwater interstitial spaces (e.g., groundwater) and are occasionally found in caves and even hot springs. In this study, we sequenced the whole transcriptome of Allobathynella bangokensis using RNA-seq. De novo sequence assembly produced 74,866 contigs including 28,934 BLAST hits. Overall, the gene sequences were most similar to those of the waterflea Daphnia pulex. In the A. bangokensis transcriptome, no opsin or related sequences were identified, and no contig aligned to the crustacean visual opsins and non-visual opsins (i.e. arthropsins, peropsins, and melaopsins), suggesting potential regressive adaptation to the dark environment. However, A. bangokensis expressed conserved gene family sets, such as heat shock proteins and those related to key innate immunity pathways and antioxidant defense systems, at the transcriptional level, suggesting that this species has evolved adaptations involving molecular mechanisms of homeostasis. The transcriptomic information of A. bangokensis will be useful for investigating molecular adaptations and response mechanisms to subterranean environmental conditions.
URI
http://repository.kopri.re.kr/handle/201206/6466
DOI
http://dx.doi.org/10.1371/journal.pone.0170424
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