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Expression patterns of NbrgsCaM family genes in Nicotiana benthamiana and their potential roles in development and stress responses.

ABSTRACT: rgsCaM has been reported as a calmodulin-like (CML) factor induced by viral infection in Nicotiana. There are three CMLs that belong to the rgsCaM family in Arabidopsis thaliana. In this study, we found a total of 5 NbrgsCaM coding sequences in N. benthamiana genome. We analyzed transcription patterns of NbrgsCaMs in transgenic plants expressing a ?-glucuronidase (GUS) under the promoter of NbrgsCaMs by histochemistry staining and RT-qPCR. Similar to their Arabidopsis homologs, most NbrgsCaMs have an overlapping but distinct expression pattern in response to developmental and environmental changes. Specifically, the NbrgsCaM4 promoter exhibited robust activity and showed distinct regulatory response to viral infection, developmental stages and other abiotic stimuli. Overall, these findings provide clues for further understanding of the NbrgsCaM family genes in regulating plant growth and development under biotic stress and environmental stimulation.

SUBMITTER: Liu D 

PROVIDER: S-EPMC7296017 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature

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Expression patterns of NbrgsCaM family genes in Nicotiana benthamiana and their potential roles in development and stress responses.

Liu Dandan D   Yang Qiuying Q  

Scientific reports 20200615 1

rgsCaM has been reported as a calmodulin-like (CML) factor induced by viral infection in Nicotiana. There are three CMLs that belong to the rgsCaM family in Arabidopsis thaliana. In this study, we found a total of 5 NbrgsCaM coding sequences in N. benthamiana genome. We analyzed transcription patterns of NbrgsCaMs in transgenic plants expressing a β-glucuronidase (GUS) under the promoter of NbrgsCaMs by histochemistry staining and RT-qPCR. Similar to their Arabidopsis homologs, most NbrgsCaMs ha  ...[more]

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