2001 SAKHANOKHO Induction of Highly Embryogenic Calli.pdfVIP

下载本文档

4
0
约3.35万字
约 6页
2017-04-13 发布于江苏
举报
版权申诉

2001 SAKHANOKHO Induction of Highly Embryogenic Calli.pdf

1、本文档共6页，可阅读全部内容。
2、有哪些信誉好的足球投注网站（book118）网站文档一经付费（服务费），不意味着购买了该文档的版权，仅供个人/单位学习、研究之用，不得用于商业用途，未经授权，严禁复制、发行、汇编、翻译或者网络传播等，侵权必究。
3、本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。如您付费，意味着您自己接受本站规则且自行承担风险，本站不退款、不进行额外附加服务；查看《如何避免下载的几个坑》。如果您已付费下载过本站文档，您可以点击这里二次下载。
4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等，请点击“版权申诉”（推荐），也可以打举报电话：400-050-0827(电话支持时间：9:00-18:30)。
5、该文档为VIP文档，如果想要下载，成为VIP会员后，下载免费。
6、成为VIP后，下载本文档将扣除1次下载权益。下载后，不支持退款、换文档。如有疑问请联系我们。
7、成为VIP后，您将拥有八大权益，权益包括：VIP文档下载权益、阅读免打扰、文档格式转换、高级专利检索、专属身份标志、高级客服、多端互通、版权登记。
8、VIP文档为合作方或网友上传，每下载1次，网站将根据用户上传文档的质量评分、类型等，对文档贡献者给予高额补贴、流量扶持。如果你也想贡献VIP文档。上传文档

2001 SAKHANOKHO Induction of Highly Embryogenic Calli

Induction of Highly Embryogenic Calli and Plant Regeneration in Upland (Gossypium hirsutum L.) and Pima (Gossypium barbadense L.) Cottons Hamidou F. Sakhanokho, Allan Zipf,* Kanniah Rajasekaran, Sukumar Saha, and Govind C. Sharma ABSTRACT generation of commercial transgenic cottons, which are obtained by backcrossing a transgenic Coker plant toTo accomplish our objective of broadening the number of regenera- an elite cultivar. Identification of additional regenerableble cotton lines, we developed a protocol capable of producing plants commercial cultivars of cotton would be highly benefi-through somatic embryogenesis of diverse cotton species. Callus was initiated from hypocotyl and cotyledon explants on a callus initiation cial to accelerating the development of transgenic Up- medium [CIM; modified MS with 1 mg L1 kinetin and 2 mg L1 land cottons. naphthaleneacetic acid (NAA)]. Friable embryogenic callus was peri- Pima (G. barbadense L.) cottons are becoming popu- odically selected and transferred onto callus selection/maintenance lar in the U.S. cotton market because of their superior medium (CS/MM) [modified MS with 0.1 mg L1 kinetin and 0.5 mg fiber quality and fineness. There have been some pub- L1 NAA]. The selected callus was then transferred into a liquid lished attempts at regenerating Pima cotton through embryo initiation medium (EIM) (modified MS medium in which tissue culture, but all the successful reports that we areNH4NO3 was removed and KNO3 amount doubled) followed by trans- currently aware of deal with shoot apex regenerationfer to solid embryo maturation media EMMS2 (0.5 mg L1 NAA 0.05 (Gould et al., 1991). Application of shoot apex regenera-mg L1 kinetin). The liquid step not only decreased the culturing time tion is often limited in transformation research becausebut also increased the number of embryos per gram of cultured tissue. it sometimes produces undesirable chimeric tissues.Germinating somatic embryos were placed on MS medium wit