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Key Laboratory of Marine Genetics and Breeding (MGB) Ministry of Education College of Marine Life Sciences Ocean University of China
网络首发:2013-11-06,
纸质出版:2013
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Molecular cloning and characterization of SoxB2 gene from Zhikong scallop Chlamys farreri[J]. 海洋湖沼学报(英文), 2013,31(6):1216-1225.
He, Y., Bao, Z., Guo, H. et al. Molecular cloning and characterization of SoxB2 gene from Zhikong scallop Chlamys farreri, ., Chin. J. Ocean. Limnol. 31, 1216–1225 (2013). https://doi.org/10.1007/s00343-013-3039-5
Molecular cloning and characterization of SoxB2 gene from Zhikong scallop Chlamys farreri[J]. 海洋湖沼学报(英文), 2013,31(6):1216-1225. DOI: 10.1007/s00343-013-3039-5.
He, Y., Bao, Z., Guo, H. et al. Molecular cloning and characterization of SoxB2 gene from Zhikong scallop Chlamys farreri, ., Chin. J. Ocean. Limnol. 31, 1216–1225 (2013). https://doi.org/10.1007/s00343-013-3039-5 DOI:
The Sox proteins play critical roles during the development of animals
including sex determination and central nervous system development. In this study
the SoxB2 gene was cloned from a mollusk
the Zhikong scallop (Chlamys farreri)
and characterized with respect to phylogeny and tissue distribution. The full-length cDNA and genomic DNA sequences of C. farreri SoxB2 (Cf SoxB2) were obtained by rapid amplification of cDNA ends and genome walking
respectively
using a partial cDNA fragment from the highly conserved DNA-binding domain
i.e.
the High Mobility Group (HMG) box. The full-length cDNA sequence of Cf SoxB2 was 2 048 bp and encoded 268 amino acids protein. The genomic sequence was 5 551 bp in length with only one exon. Several conserved elements
such as the TATA-box
GC-box
CAAT-box
GATA-box
and Sox/sry-sex/testis-determining and related HMG box factors
were found in the promoter region. Furthermore
real-time quantitative reverse transcription PCR assays were carried out to assess the mRNA expression of Cf SoxB 2 in different tissues. SoxB2 was highly expressed in the mantle
moderately in the digestive gland and gill
and weakly expressed in the gonad
kidney and adductor muscle. In male and female gonads at different developmental stages of reproduction
the expression levels of Cf SoxB2 were similar. Considering the specific expression and roles of SoxB 2 in other animals
in particular vertebrates
and the fact that there are many pallial nerves in the mantle
cerebral ganglia in the digestive gland and gill nerves in gill
we propose a possible essential role in nervous tissue function for Sox B 2 in C. farreri.
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