scholarly journals Bioturbation by the razor clam Sinonovacula constricta affects benthic nutrient fluxes in aquaculture wastewater treatment ecosystems

2019 ◽  
Vol 11 ◽  
pp. 87-96 ◽  
Author(s):  
L Zhao ◽  
Y Zheng ◽  
R Nicholaus ◽  
B Lukwambe ◽  
J Zhu ◽  
...  
Keyword(s):  
Wastewater Treatment ◽  
Nutrient Fluxes ◽  
Sinonovacula Constricta ◽  
Razor Clam ◽  
Benthic Nutrient Fluxes ◽  
Aquaculture Wastewater

Microalgal bacterial flocs originating from aquaculture wastewater treatment as diet ingredient forLitopenaeus vannamei (Boone)

2014 ◽  
Vol 47 (4) ◽  
pp. 1075-1089 ◽  
Author(s):  
Sofie Van Den Hende ◽  
Leon Claessens ◽  
Eric De Muylder ◽  
Nico Boon ◽  
Han Vervaeren
Keyword(s):  
Wastewater Treatment ◽  
Aquaculture Wastewater

Plant-based versus metal-based coagulants in aquaculture wastewater treatment: Effect of mass ratio and settling time

2021 ◽  
Vol 43 ◽  
pp. 102269
Author(s):  
Azmi Ahmad ◽  
Siti Rozaimah Sheikh Abdullah ◽  
Hassimi Abu Hasan ◽  
Ahmad Razi Othman ◽  
Nur 'Izzati Ismail
Keyword(s):  
Wastewater Treatment ◽  
Treatment Effect ◽  
Settling Time ◽  
Mass Ratio ◽  
Aquaculture Wastewater

Low denitrification rates and variable benthic nutrient fluxes characterize Long Island Sound sediments

2021 ◽  
Author(s):  
Claudia I. Mazur ◽  
Alia N. Al-Haj ◽  
Nicholas E. Ray ◽  
Isabel Sanchez-Viruet ◽  
Robinson W. Fulweiler
Keyword(s):  
Long Island ◽  
Long Island Sound ◽  
Nutrient Fluxes ◽  
Benthic Nutrient Fluxes ◽  
Island Sound

scholarly journals Gonad Transcriptome Analysis of the Razor Clam (Sinonovacula constricta) Revealed Potential Sex-Related Genes

2021 ◽  
Vol 8 ◽  
Author(s):  
Hanhan Yao ◽  
Zhihua Lin ◽  
Yinghui Dong ◽  
Xianghui Kong ◽  
Lin He ◽  
...  
Keyword(s):  
Sex Determination ◽  
Transcriptome Analysis ◽  
Reference Genome ◽  
Expression Profiles ◽  
Rna Seq ◽  
Sinonovacula Constricta ◽  
Razor Clam ◽  
Marine Bivalves ◽  
Commercially Important ◽  
The Western Pacific

The razor clam, Sinonovacula constricta is a commercially important bivalve in the western Pacific Ocean, yet little is known about the mechanisms of sex determination/differentiation and gametogenesis. In the present study, the comparative transcriptome analysis of adult gonads (female gonads and male gonads) was conducted to identify potential sex-related genes in S. constricta. The number of reads generated for each target library (three females and three males) ranged from 31,853,422 to 37,750,848, and 20,489,472 to 26,152,448 could be mapped to the reference genome of S. constricta (the map percentage ranging from 63.71 to 71.48%). A total of 8,497 genes were identified to be differentially expressed between the female and male gonads, of which 4,253 were female-biased (upregulated in females), and 4,244 were male-biased. Forty-five genes were identified as potential sex-related genes, including DmrtA2, Sox9, Fem-1b, and Fem-1c involved in sex determination/differentiation and Vg, CYP17A1, SOHLH2, and TSSK involved in gametogenesis. The expression profiles of 12 genes were validated by qRT-PCR, which further confirmed the reliability and accuracy of the RNA-Seq results. Our results provide basic information about the genes involved in sex determination/differentiation and gametogenesis, and pave the way for further studies on reproduction and breeding in S. constricta and other marine bivalves.

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