| EMENECKER, Ryan J, Joseph CAMMARATA, Irene YUAN, Caroline HOWARD, Shekoufeh EBRAHIMI NAGHANI, Helene ROBERT BOISIVON, Eiji NAMBARA and Lucia C STRADER. Abscisic acid biosynthesis is necessary for full auxin effects on hypocotyl elongation. Development. Company of Biologists Ltd, 2023, vol. 150, No 23, p. 1-11. ISSN 0950-1991. Available from: https://dx.doi.org/10.1242/dev.202106. |
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@article{2326077,
author = {Emenecker, Ryan J and Cammarata, Joseph and Yuan, Irene and Howard, Caroline and Ebrahimi Naghani, Shekoufeh and Robert Boisivon, Helene and Nambara, Eiji and Strader, Lucia C},
article_number = {23},
doi = {http://dx.doi.org/10.1242/dev.202106},
keywords = {Auxin; abscisic acid; phytohormone; plant development; phytohormone interactions},
language = {eng},
issn = {0950-1991},
journal = {Development},
title = {Abscisic acid biosynthesis is necessary for full auxin effects on hypocotyl elongation},
url = {https://journals.biologists.com/dev/article-abstract/doi/10.1242/dev.202106/333522/Abscisic-acid-biosynthesis-is-necessary-for-full},
volume = {150},
year = {2023}
}
TY - JOUR
ID - 2326077
AU - Emenecker, Ryan J - Cammarata, Joseph - Yuan, Irene - Howard, Caroline - Ebrahimi Naghani, Shekoufeh - Robert Boisivon, Helene - Nambara, Eiji - Strader, Lucia C
PY - 2023
TI - Abscisic acid biosynthesis is necessary for full auxin effects on hypocotyl elongation
JF - Development
VL - 150
IS - 23
SP - 1-11
EP - 1-11
PB - Company of Biologists Ltd
SN - 09501991
KW - Auxin
KW - abscisic acid
KW - phytohormone
KW - plant development
KW - phytohormone interactions
UR - https://journals.biologists.com/dev/article-abstract/doi/10.1242/dev.202106/333522/Abscisic-acid-biosynthesis-is-necessary-for-full
N2 - In concert with other phytohormones, auxin regulates plant growth and development. However, how auxin and other phytohormones coordinately regulate distinct processes is not fully understood. In this work, we uncover an auxin - abscisic acid (ABA) interaction module that is specific to coordinating activities of these hormones in the hypocotyl. From our forward genetics screen, we determine that ABA biosynthesis is required for the full effects of auxin on hypocotyl elongation. Our data also suggest that ABA biosynthesis is not required for the inhibitory effects of auxin treatment on root elongation. Our transcriptome analysis identified distinct auxin-responsive genes in root and shoot tissues, consistent with differential regulation of the growth in these tissues. Further, our data suggests that many gene targets repressed upon auxin treatment require an intact ABA pathway for full repression. Our results support a model in which auxin stimulates ABA biosynthesis to fully regulate hypocotyl elongation.
ER -
EMENECKER, Ryan J, Joseph CAMMARATA, Irene YUAN, Caroline HOWARD, Shekoufeh EBRAHIMI NAGHANI, Helene ROBERT BOISIVON, Eiji NAMBARA and Lucia C STRADER. Abscisic acid biosynthesis is necessary for full auxin effects on hypocotyl elongation. \textit{Development}. Company of Biologists Ltd, 2023, vol.~150, No~23, p.~1-11. ISSN~0950-1991. Available from: https://dx.doi.org/10.1242/dev.202106.
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