NDLI: Construction and analysis of different expression cDNA libraries in Rehmannia glutinosa plants subjected to continuous cropping

Content Provider	Springer Nature Link
Author	Yang, Yan Hui Zhang, Zhong Yi Fan, Hua Min Zhao, Yi Dan Li, Ming Jie Li, Juan Chen, Jun Ying Lin, Wen Xiong Chen, Xin Jian
Copyright Year	2012
Abstract	Rehmannia glutinosa L. is a perennial herbaceous species belonging to the Scrophulariaceae family. Its tuberous roots are used in Chinese medicine, but its productivity tends to fall drastically after its first cropping season. While the physiological and environmental factors responsible for this yield decline are to an extent understood, the changes in gene expression associated with continuous cropping have not as yet been documented. We have attempted to define which genes are differentially expressed in the first year and second year planting materials by creating both a forward and a reverse subtractive library, containing, respectively, 232 and 214 cDNA fragments, of which 200 and 195 shared homology with known function sequences found in other plant species. The resulting functional assignment of 16 of these sequences, along with their patterns of spatial and temporal expression, suggested that continuous cropping disturbed the initiation of Ca$^{2+}$ signal transduction and ethylene synthesis, and repressed DNA replication, RNA transcription and protein synthesis. Irrigation of Ca$^{2+}$ signal blocker in roots of plants could alleviate the syndromes of continuously cropping disease in R. glutinosa. The molecular regulatory network underlying the continuous cropping disease has been sketched out, and this should serve as a basis for revealing the genetic causes of the syndrome in R. glutinosa.
Starting Page	645
Ending Page	655
Page Count	11
File Format	PDF
ISSN	01375881
Journal	Acta Physiologiae Plantarum
Volume Number	35
Issue Number	3
e-ISSN	18611664
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-09-30
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	R. glutinosa Continuous cropping disease SSH cDNA library Functional analysis qRT-PCR Plant Physiology Plant Genetics & Genomics Plant Biochemistry Plant Pathology Plant Anatomy/Development Agriculture
Content Type	Text
Resource Type	Article
Subject	Physiology Plant Science Agronomy and Crop Science

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