Rights statement: This is the peer reviewed version of the following article:Zhang, Q., Yuan, W., Wang, Q., Cao, Y., Xu, F., Dodd, I. C., & Xu, W. (2021). ABA regulation of root growth during soil drying and recovery can involve auxin response. Plant, Cell & Environment, 45 (3), 871– 883. doi10.1111/pce.14137 which has been published in final form at https://onlinelibrary.wiley.com/doi/10.1111/pce.14137. This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving.
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Research output: Contribution to Journal/Magazine › Journal article › peer-review
Research output: Contribution to Journal/Magazine › Journal article › peer-review
}
TY - JOUR
T1 - ABA regulation of root growth during soil drying and recovery can involve auxin response
AU - Zhang, Q.
AU - Yuan, W.
AU - Wang, Q.
AU - Cao, Y.
AU - Xu, F.
AU - Dodd, I.C.
AU - Xu, W.
N1 - This is the peer reviewed version of the following article:Zhang, Q., Yuan, W., Wang, Q., Cao, Y., Xu, F., Dodd, I. C., & Xu, W. (2021). ABA regulation of root growth during soil drying and recovery can involve auxin response. Plant, Cell & Environment, 45 (3), 871– 883. doi10.1111/pce.14137 which has been published in final form at https://onlinelibrary.wiley.com/doi/10.1111/pce.14137. This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving.
PY - 2022/3/31
Y1 - 2022/3/31
N2 - Abscisic acid (ABA) plays an important role in plant adaptation to water deficits, but its role in regulating root growth (primary root elongation and lateral root number) during different drought-phases remains unclear. Here, we exposed wild-type (WT) and ABA-deficient (not) tomato plants to three continuous drought-phases (moderate drying: day 0–21; severe drying: day 22–47 and re-watering: day 48–51). It was found that WT increased primary root growth during moderate drying; maintained more lateral roots, and greater primary root and total root length under severe drying; and produced more roots after re-watering. After RNA-Seq analysis, we found that the auxin-related genes in root showed different expression patterns between WT and not under drying or re-watering. Further, exogenous supply of IAA partially recovered the root growth of ABA-deficient not plants under three continuous drought-phases. Our results suggested that ABA regulation of tomato root growth during soil drying and recovery can involve auxin response.
AB - Abscisic acid (ABA) plays an important role in plant adaptation to water deficits, but its role in regulating root growth (primary root elongation and lateral root number) during different drought-phases remains unclear. Here, we exposed wild-type (WT) and ABA-deficient (not) tomato plants to three continuous drought-phases (moderate drying: day 0–21; severe drying: day 22–47 and re-watering: day 48–51). It was found that WT increased primary root growth during moderate drying; maintained more lateral roots, and greater primary root and total root length under severe drying; and produced more roots after re-watering. After RNA-Seq analysis, we found that the auxin-related genes in root showed different expression patterns between WT and not under drying or re-watering. Further, exogenous supply of IAA partially recovered the root growth of ABA-deficient not plants under three continuous drought-phases. Our results suggested that ABA regulation of tomato root growth during soil drying and recovery can involve auxin response.
KW - drought responses
KW - gene expression
KW - root
U2 - 10.1111/pce.14137
DO - 10.1111/pce.14137
M3 - Journal article
VL - 45
SP - 871
EP - 883
JO - Plant, Cell and Environment
JF - Plant, Cell and Environment
SN - 0140-7791
IS - 3
ER -