Publication: Arabidopsis STAYGREEN-LIKE (SGRL) promotes abiotic stress-induced leaf yellowing during vegetative growth
Arabidopsis STAYGREEN-LIKE (SGRL) promotes abiotic stress-induced leaf yellowing during vegetative growth
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Sakuraba, Y., Kim, D., Kim, Y.-S., Hörtensteiner, S., & Paek, N.-C. (2014). Arabidopsis STAYGREEN-LIKE (SGRL) promotes abiotic stress-induced leaf yellowing during vegetative growth. FEBS Letters, 588, 3830–3837. https://doi.org/10.1016/j.febslet.2014.09.018
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During leaf senescence in Arabidopsis, STAYGREEN 1 (SGR1) and SGR2 regulate chlorophyll degradation positively and negatively, respectively. SGR-LIKE (SGRL) is also expressed in pre-senescing leaves, but its function remains largely unknown. Here we show that under abiotic stress, Arabidopsis plants overexpressing SGRL exhibit early leaf yellowing and sgrl-1 mutants exhibit persistent green color of leaves. Under salt stress, SGR1 and SGRL act synergistically for rapid Chl degradation prior to senescence. Furthermore, SGRL forms homo-
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- Sakuraba, Yasuhito
- Kim, Dami
- Kim, Ye-Sol
- Hörtensteiner, Stefan
- Paek, Nam-Chon
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Sakuraba, Y., Kim, D., Kim, Y.-S., Hörtensteiner, S., & Paek, N.-C. (2014). Arabidopsis STAYGREEN-LIKE (SGRL) promotes abiotic stress-induced leaf yellowing during vegetative growth. FEBS Letters, 588, 3830–3837. https://doi.org/10.1016/j.febslet.2014.09.018
