| Title |
Genome-wide identification, classification, and expression of phytocyanins in Populus trichocarpa
|
|---|---|
| Published in |
Planta, January 2018
|
| DOI | 10.1007/s00425-018-2849-2 |
| Pubmed ID | |
| Authors |
Shuangshuang Luo, Wenfang Hu, Yue Wang, Bin Liu, Hanwei Yan, Yan Xiang |
| Abstract |
74 phytocyanin genes were identified in the Populus trichocarpa genome. Phylogenetic analysis grouped the PC proteins into four subfamilies (UCs, PLCs, SCs, and ENODLs). Closely related PC proteins share similar motifs, implying similar functions. Expression profiles of PtPC genes were analyzed in response to drought and salt-stress. Phytocyanins (PCs) are blue copper proteins associated with electron carrier activity that have a large influence on plant growth and resistance. The majority of PCs are chimeric arabinogalactan proteins (AGPs). In this work, we identified 74 PC genes in Populus trichocarpa and analyzed them comprehensively. Based on the ligands composition of copper-binding sites, glycosylation state, the domain structure and spectral characteristics of PC genes, PCs were divided into four subfamilies [uclacyanins (UCs), plantacyanins (PLCs), stellacyanins (SCs) and early nodulin-like proteins (ENODLs)], and phylogenetic relationship analysis classified them into seven groups. All PtPCs are randomly distributed on 17 of the 19 poplar chromosomes, and they appear to have undergone expansion via segmental duplication. Eight PtPCs do not contain introns, and each group has a similar conserved motif structure. Promoter analysis revealed cis-elements related to growth, development and stress responses, and established orthology relationships of PCs between Arabidopsis and poplar by synteny analysis. Expression profile analysis and qRT-PCR analysis showed that PtPCs were expressed widely in various tissues. Quantitative real-time RT-PCR analysis of PC genes expression in response to salt and drought stress revealed their stress-responses profiles. This work provides a theoretical basis for a further study of stress resistance mechanisms and the function of PC genes in poplar growth and development. |
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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 13 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 13 | 100% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Ph. D. Student | 4 | 31% |
| Student > Bachelor | 1 | 8% |
| Student > Doctoral Student | 1 | 8% |
| Lecturer > Senior Lecturer | 1 | 8% |
| Unknown | 6 | 46% |
| Readers by discipline | Count | As % |
|---|---|---|
| Biochemistry, Genetics and Molecular Biology | 3 | 23% |
| Psychology | 2 | 15% |
| Agricultural and Biological Sciences | 1 | 8% |
| Environmental Science | 1 | 8% |
| Unknown | 6 | 46% |
Attention Score in Context
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#20,461,148
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