| Title |
Morpho-physiological and transcriptome profiling reveal novel zinc deficiency-responsive genes in rice
|
|---|---|
| Published in |
Functional & Integrative Genomics, March 2017
|
| DOI | 10.1007/s10142-017-0556-x |
| Pubmed ID | |
| Authors |
Tirthankar Bandyopadhyay, Poonam Mehra, Suboot Hairat, Jitender Giri |
| Abstract |
Intensive farming has depleted the soil zinc (Zn) availability resulting in decreased crop productivity. Here, we attempt to understand the Zn deficiency response in rice through temporal transcriptome analysis. For this, rice seedlings were raised under Zn-deficient conditions up to 4 weeks followed by Zn re-supply for 3 days. Zn-deficient plants developed characteristic deficiency symptoms such as leaf bronzing, decrease in biomass, total chlorophyll, PSII efficiency, decreased carbonic anhydrase activity and increased ROS production. Interestingly, severe alterations in root system architecture were also observed. Comprehensive transcriptome analyses of rice seedlings were carried out after 2 (DEF2W) and 4 weeks (DEF4W) of Zn deficiency with respect to transcriptome profiles of corresponding Zn sufficient conditions (SUF2W, SUF4W). Additionally, to detect the potential Zn-responsive genes, transcriptome profile of Zn-recovered seedlings was compared with DEF4W. All differentially expressed Zn-responsive genes were categorized into early and late Zn deficiency response, and a set of 77 genes, induced and repressed on Zn deficiency and re-supply, respectively, was identified. These genes could be used as low Zn-responsive marker genes. Further, genes involved in membrane transport, phytosiderophore activity and organic acid biosynthesis showed high differential expression. Additionally, the present study unravelled several genes putatively associated with alterations in root system architecture under Zn deficiency and provides novel insights into the interpretation of morpho-physiological, biochemical and molecular regulation of zinc deficiency responses in rice. |
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Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 1 | 100% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 1 | 100% |
Mendeley readers
The data shown below were compiled from readership statistics for 29 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 29 | 100% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Ph. D. Student | 8 | 28% |
| Researcher | 5 | 17% |
| Student > Doctoral Student | 3 | 10% |
| Unspecified | 2 | 7% |
| Student > Bachelor | 2 | 7% |
| Other | 3 | 10% |
| Unknown | 6 | 21% |
| Readers by discipline | Count | As % |
|---|---|---|
| Agricultural and Biological Sciences | 15 | 52% |
| Unspecified | 2 | 7% |
| Biochemistry, Genetics and Molecular Biology | 2 | 7% |
| Environmental Science | 1 | 3% |
| Computer Science | 1 | 3% |
| Other | 2 | 7% |
| Unknown | 6 | 21% |
Attention Score in Context
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Outputs of similar age from Functional & Integrative Genomics
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