NDLI: Over-expression of OSRIP18 increases drought and salt tolerance in transgenic rice plants

Content Provider	Springer Nature Link
Author	Jiang, Shu Ye Bhalla, Ritu Ramamoorthy, Rengasamy Luan, Hong Fen Venkatesh, Prasanna ri Cai, Minne Ramachandran, Srinivasan
Copyright Year	2011
Abstract	Both drought and high salinity stresses are major abiotic factors that limit the yield of agricultural crops. Transgenic techniques have been regarded as effective ways to improve crops in their tolerance to these abiotic stresses. Functional characterization of genes is the prerequisite to identify candidates for such improvement. Here, we have investigated the biological functions of an Oryza sativa Ribosome-inactivating protein gene 18 (OSRIP18) by ectopically expressing this gene under the control of CaMV 35S promoter in the rice genome. We have generated 11 independent transgenic rice plants and all of them showed significantly increased tolerance to drought and high salinity stresses. Global gene expression changes by Microarray analysis showed that more than 100 probe sets were detected with up-regulated expression abundance while signals from only three probe sets were down-regulated after over-expression of OSRIP18. Most of them were not regulated by drought or high salinity stresses. Our data suggested that the increased tolerance to these abiotic stresses in transgenic plants might be due to up-regulation of some stress-dependent/independent genes and OSRIP18 may be potentially useful in further improving plant tolerance to various abiotic stresses by over-expression.
Starting Page	785
Ending Page	795
Page Count	11
File Format	PDF
ISSN	09628819
Journal	Transgenic Research
Volume Number	21
Issue Number	4
e-ISSN	15739368
Language	English
Publisher	Springer Netherlands
Publisher Date	2011-10-26
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Drought stress Ectopic over-expression High salinity stress Ribosome-inactivating protein Rice Plant Genetics & Genomics Plant Sciences Animal Genetics and Genomics Molecular Medicine Human Genetics
Content Type	Text
Resource Type	Article
Subject	Genetics Animal Science and Zoology Biotechnology Agronomy and Crop Science

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