สืบค้นงานวิจัย
Use of microalgae Chlamydomonas reinhardtii for production of double-stranded RNA against shrimp virus
Somchai P. - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Use of microalgae Chlamydomonas reinhardtii for production of double-stranded RNA against shrimp virus
ผู้แต่ง / หัวหน้าโครงการ (EN): Somchai P.
บทคัดย่อ (EN): RNA interference has been proposed to be a promising tool for combating shrimp viruses. Antiviral double-stranded (ds)RNA has been mostly produced in Escherichia coli-expression system because of its high efficiency and inexpensive operations. However, overusing the bacteria may raise concerns regarding public health and environmental contamination, and seeking for a new dsRNA production platform would be alternative for future molecular farming. In this study, we exploited the green microalgae Chlamydomonas reinhardtii to produce dsRNA targeting the lethal shrimp yellow head virus (YHV). The expression plasmid pSL18 for C. reinhardtii was constructed to contain YHV-specific hairpin RNA expression cassette, and the successful assembly of pSL18-YHV was confirmed by PCR and enzymatic digestions. Glass bead method was employed for transformation of C. reinhardtii nuclear genome with pSL18-YHV. Microalgal expression of dsRNA-YHV, approximately 45 ng from 100-mL culture, was detected by qRT-PCR. Oral feeding experiment on postlarval shrimp revealed that the formulated feed with C. reinhardtii expressing dsRNA-YHV, at the ratio of 1 × 108 transformants per gram feed, improved 22% survival rate after YHV challenge. The present study suggests that C. reinhardtii can be bioengineered to produce viral-specific dsRNA for shrimp viral disease control, and the developed qRT-PCR could detect microalgal dsRNA with detection limit of subpicogram. © 2016 The Authors. Published by Elsevier B.V.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เอกสารแนบ (EN): https://www.scopus.com/inward/record.uri?eid=2-s2.0-84962290766&doi=10.1016%2fj.aqrep.2016.03.003&partnerID=40&md5=a7bd3c534c9b22d5def565b684f2faff
เผยแพร่โดย (EN): มหาวิทยาลัยมหิดล
คำสำคัญ (EN): Yellow head virus
เจ้าของลิขสิทธิ์ (EN): มหาวิทยาลัยมหิดล
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Use of microalgae Chlamydomonas reinhardtii for production of double-stranded RNA against shrimp virus
Somchai P.
มหาวิทยาลัยมหิดล
ไม่ระบุวันที่เผยแพร่
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