A homolog of <scp>ETHYLENE OVERPRODUCER</scp>,<scp> O</scp>s<scp>ETOL</scp>1, differentially modulates drought and submergence tolerance in rice

Du, Hao; Wu, Nai; Cui, Fei; You, Lei; Li, Xianghua; Xiong, Lizhong

doi:10.1111/tpj.12508

Cited by 69 publications

(63 citation statements)

References 53 publications

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“…It also reported that ethylene could regulate drought tolerance in maize and rice (Habben et al, 2014;Du et al, 2014). However, its role in salt response of rice is still unclear.…”

Section: Perspectivesmentioning

confidence: 95%

Ethylene Signaling in Rice and Arabidopsis: Conserved and Diverged Aspects

et al. 2015

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Ethylene as a gas phytohormone plays significant roles in the whole life cycle of plants, ranging from growth and development to stress responses. A linear ethylene signaling pathway has been established in the dicotyledonous model plant Arabidopsis. However, the ethylene signaling mechanism in monocotyledonous plants such as rice is largely unclear. In this review, we compare the ethylene response phenotypes of dark-grown seedlings of Arabidopsis, rice, and other monocotyledonous plants (maize, wheat, sorghum, and Brachypodium distachyon) and pinpoint that rice has a distinct phenotype of root inhibition but coleoptile promotion in etiolated seedlings upon ethylene treatment. We further summarize the homologous genes of Arabidopsis ethylene signaling components in these monocotyledonous plants and discuss recent progress. Although conserved in most aspects, ethylene signaling in rice has evolved new features compared with that in Arabidopsis. These analyses provide novel insights into the understanding of ethylene signaling in the dicotyledonous Arabidopsis and monocotyledonous plants, particularly rice. Further characterization of rice ethylene-responsive mutants and their corresponding genes will help us better understand the whole picture of ethylene signaling mechanisms in plants.

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“…It also reported that ethylene could regulate drought tolerance in maize and rice (Habben et al, 2014;Du et al, 2014). However, its role in salt response of rice is still unclear.…”

Section: Perspectivesmentioning

confidence: 95%

Ethylene Signaling in Rice and Arabidopsis: Conserved and Diverged Aspects

et al. 2015

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“…Similarly, better drought and salinity tolerance was observed in Arabidopsis (Cheng et al 2013 ) and tomato (Pan et al 2012 ) plants overexpressing ERF -1 and ERF-5, respectively. Further, ET overproducer 1-like ( ETOL1 )-overexpressing rice plants was found more tolerant to drought and submergence (Du et al 2014 ). It can be concluded that ET metabolism and signaling pathways infl uence various stress responses in plants (Krannich et al 2015 ).…”

Section: Genetic Engineering Of Ethylene Metabolismmentioning

confidence: 98%

Engineering Phytohormones for Abiotic Stress Tolerance in Crop Plants

Kumar

Sah

Khare

et al. 2016

Plant Hormones Under Challenging Environmental Factors

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Abiotic stresses including salinity, drought, extreme temperatures, and heavy metals are posing serious threats to agricultural yields as well as the quality of produce. This necessitates the production of cultivars capable to withstand the harsh environmental conditions without substantial yield losses. Owing to the complexity underlying stress tolerance traits, conventional breeding techniques have met with limited success and demand effective supplements to feed the growing food demands worldwide. This necessitates the development and deployment of novel and potent approaches, and engineering of phytohormone metabolism could be a method of choice to produce climate resilient crops with higher yields. Phytohormones are considered critical for regulating and coordinating plant growth and development; however, in recent years, they have received great attention for their multifunctional roles in plant responses to environmental stimuli. Creditable research has shown that phytohormones including the classical ones -auxins, cytokinins, ethylene, gibberellins, and newer members including brassinosteroids, jasmonates, and strigolactones -may prove to be potent targets for their metabolic engineering for producing abiotic stress-tolerant crop plants. This chapter presents short description of the roles of phytohormones in abiotic stress responses and tolerance followed by reviewing attempts made by the plant biotechnologists for

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“…Previous studies indicate that ETHYLENE OVERPRODUCER 1-like gene [20] and Sadenosylmethionine synthetase [19] were in response to flooding and drought stresses. The research using common protein between flooding and drought provided new insights to improve plant tolerance.…”

Section: Fermentation and Protein Synthesis/degradation Are Increasedmentioning

confidence: 99%

“…In rice, the ethylene production and energy metabolism were modulated to adapt to flooding and drought stresses [20]. In wheat, proteins related to glycolysis and cell wall structure were decreased; while defense related proteins were increased under flooding [21]; and the metabolism related to gliadins synthesis was enhanced under drought [22].…”

Section: Introductionmentioning

confidence: 99%