Abstract
The growth, development, and production of banana plants are constrained by multiple abiotic stressors. However, it remains elusive for the tolerance mechanisms of banana responding to multiple abiotic stresses. In this study, we found that Fen Jiao (FJ) was more tolerant to osmotic, cold, and salt stresses than BaXi Jiao (BX) by phenotypic and physiological analyses. Comparative transcriptomic analyses highlighted stress tolerance genes that either specifically regulated in FJ or changed more than twofold in FJ relative to BX after treatments. In total, 933, 1644, and 133 stress tolerance genes were identified after osmotic, cold, and salt treatments, respectively. Further integrated analyses found that 30 tolerance genes, including transcription factor, heat shock protein, and E3 ubiquitin protein ligase, could be commonly regulated by osmotic, cold, and salt stresses. Finally, ABA and ROS signaling networks were found to be more active in FJ than in BX under osmotic, cold, and salt treatments, which may contribute to the strong stress tolerances of FJ. Together, this study provides new insights into the tolerance mechanism of banana responding to multiple stresses, thus leading to potential applications in the genetic improvement of multiple abiotic stress tolerances in banana.
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Claims 6
Claim · model-written summary
Fen Jiao banana was more tolerant to osmotic, cold and salt stresses than BaXi Jiao.
Verbatim
t0“Comparative physiological and transcriptomic analyses provide integrated insight into osmotic, cold, and salt stress tolerance mechanisms in banana”
e0“we found that Fen Jiao (FJ) was more tolerant to osmotic, cold, and salt stresses than BaXi Jiao (BX) by phenotypic and physiological analyses”
Claim · model-written summary
Osmotic stress identified 933 stress tolerance genes in banana.
Verbatim
t0“Comparative physiological and transcriptomic analyses provide integrated insight into osmotic, cold, and salt stress tolerance mechanisms in banana”
e1“In total, 933, 1644, and 133 stress tolerance genes were identified after osmotic, cold, and salt treatments, respectively”
Claim · model-written summary
Cold stress identified 1644 stress tolerance genes in banana.
Verbatim
t0“Comparative physiological and transcriptomic analyses provide integrated insight into osmotic, cold, and salt stress tolerance mechanisms in banana”
e1“In total, 933, 1644, and 133 stress tolerance genes were identified after osmotic, cold, and salt treatments, respectively”
Claim · model-written summary
Salt stress identified 133 stress tolerance genes in banana.
Verbatim
t0“Comparative physiological and transcriptomic analyses provide integrated insight into osmotic, cold, and salt stress tolerance mechanisms in banana”
e1“In total, 933, 1644, and 133 stress tolerance genes were identified after osmotic, cold, and salt treatments, respectively”
Claim · model-written summary
Thirty tolerance genes were commonly regulated by osmotic, cold and salt stresses in banana.
Verbatim
t0“Comparative physiological and transcriptomic analyses provide integrated insight into osmotic, cold, and salt stress tolerance mechanisms in banana”
e2“30 tolerance genes, including transcription factor, heat shock protein, and E3 ubiquitin protein ligase, could be commonly regulated by osmotic, cold, and salt stresses”
Claim · model-written summary
ABA and ROS signaling networks were more active in Fen Jiao than in BaXi Jiao under osmotic, cold and salt treatments.
Verbatim
t0“Comparative physiological and transcriptomic analyses provide integrated insight into osmotic, cold, and salt stress tolerance mechanisms in banana”
e3“ABA and ROS signaling networks were found to be more active in FJ than in BX under osmotic, cold, and salt treatments”
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