Hormone crosstalk in plants

Murphy, Angus S.

doi:10.1093/jxb/erv339

Cited by 22 publications

(20 citation statements)

References 21 publications

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“…6), suggesting a huge change in hormone signaling. Plant hormone pathways are known to cross-talk under stress [45]. Hence, the CA and FA results observed agree with hormonal cross-talk manner that can increase the cold tolerance and thereby minimize cold damage.…”

Section: Discussionsupporting

confidence: 70%

Comparative transcriptomic analysis reveals gene expression associated with cold adaptation in the tea plant Camellia sinensis

Wang

Ban

et al. 2019

BMC Genomics

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Background: Low temperature restricts the planting range of all crops, but cold acclimation induces adaption to cold stress in many plants. Camellia sinensis, a perennial evergreen tree that is the source of tea, is mainly grown in warm areas. Camellia sinensis var. sinensis (CSS) has greater cold tolerance than Camellia sinensis var. assamica (CSA). To gain deep insight into the molecular mechanisms underlying cold adaptation, we investigated the physiological responses and transcriptome profiles by RNA-Seq in two tea varieties, cold resistant SCZ (classified as CSS) and cold susceptible YH9 (classified as CSA), during cold acclimation. Results: Under freezing stress, lower relative electrical conductivity and higher chlorophyll fluorescence (Fv/Fm) values were detected in SCZ than in YH9 when subjected to freezing acclimation. During cold treatment, 6072 and 7749 DEGs were observed for SCZ and YH9, respectively. A total of 978 DEGs were common for both SCZ and YH9 during the entire cold acclimation process. DEGs were enriched in pathways of photosynthesis, hormone signal transduction, and transcriptional regulation of plant-pathogen interactions. Further analyses indicated that decreased expression of Lhca2 and higher expression of SnRK2.8 are correlated with cold tolerance in SCZ. Conclusions: Compared with CSA, CSS was significantly more resistant to freezing after cold acclimation, and this increased resistance was associated with an earlier expression of cold-induced genes. Because the greater transcriptional differentiation during cold acclimation in SCZ may contribute to its greater cold tolerance, our studies identify specific genes involved in photoinhibition, ABA signal conduction, and plant immunity that should be studied for understanding the processes involved in cold tolerance. Marker-assisted breeding focused on the allelic variation at these loci provides an avenue for the possible generation of CSA cultivars that have CSS-level cold tolerance.

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Section: Discussionsupporting

confidence: 70%

Comparative transcriptomic analysis reveals gene expression associated with cold adaptation in the tea plant Camellia sinensis

Wang

Ban

et al. 2019

BMC Genomics

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“…In a web of influencers, a significant change of any one factor will generate change in others (e.g. see Murphy, 2015 , and references therein).…”

Section: Perspectivesmentioning

confidence: 99%

Is ABA the earliest upstream inhibitor of apical dominance?

Nguyen

Emery

2017

Journal of Experimental Botany

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“…Different hormone signaling pathways can interact with each other to regulate plant growth and development. The extensive crosstalk among individual hormone pathways leads to the formation of complex signaling networks (Murphy, 2015). The evaluations with independent datasets suggested that the new AraPPINet provides a valuable resource for identifying protein interactions involved in hormone signaling networks of plants.…”

Section: Discussionmentioning

confidence: 99%

AraPPINet: An Updated Interactome for the Analysis of Hormone Signaling Crosstalk in Arabidopsis thaliana

et al. 2019

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Protein-protein interactions (PPIs) play fundamental roles in various cellular processes. Here, we present a new version of computational interactome that contains more than 345,000 predicted PPIs involving about 51.2% of the Arabidopsis proteins. Compared to the earlier version, the updated AraPPINet displays a higher accuracy in predicting protein interactions through performance evaluation with independent datasets. In addition to the experimental verifications of the previous version, the new version has been subjected to further validation test that demonstrates its ability to discover novel PPIs involved in hormone signaling pathways. Moreover, network analysis shows that many overlapping proteins are significantly involved in the interactions which mediated the crosstalk among plant hormones. The new version of AraPPINet provides a more reliable interactome which would facilitate the understanding of crosstalk among hormone signaling pathways in plants.

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Hormone crosstalk in plants

Cited by 22 publications

References 21 publications

Comparative transcriptomic analysis reveals gene expression associated with cold adaptation in the tea plant Camellia sinensis

Comparative transcriptomic analysis reveals gene expression associated with cold adaptation in the tea plant Camellia sinensis

Is ABA the earliest upstream inhibitor of apical dominance?

AraPPINet: An Updated Interactome for the Analysis of Hormone Signaling Crosstalk in Arabidopsis thaliana

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