Cytosolic Heat Shock Protein 90 in Plant Hormone and Environmental Stress Response

Yamada, Kenji; Watanabe, Etsuko

doi:10.1007/978-3-030-03952-3_11

Cited by 2 publications

(1 citation statement)

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“…In addition, when analyzing genetic distance, OsHAq8 was found to have close genetic distance and high homology to the activator of Hsp90 ATPase in Graminae. Overexpression of activator of Hsp90 ATPase in Sorghum bicolor, Triticum aestivum, Hordeum vulgare, and Zea mays increases the expression of stress-tolerance-related transcription factors, enhances hormone synthesis to strengthen signaling, and ultimately plays a crucial role in controlling the growth and development of crops (Johnson, 2012;Di Donato and Geisler, 2019;Yamada and Watanabe, 2019). From this perspective, the activator of Hsp90 ATPase encoded by OsHAq8 was utilized in designing a breeding strategy that incorporates functions influencing yield and grain quality in response to temperature.…”

Section: B a Figurementioning

confidence: 99%

Utilization of the Winkler scale of plants using big data temperature presented by the Korea Meteorological Administration

Park,

Kim,

Jang

et al. 2024

Front. Plant Sci.

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IntroductionRice is an important food source that can provide a stable supply of calories for most people around the world. However, owing to the recent rapid temperature rise, we are facing social issues related to the increase in the Winkler scale. In this study, a strategy for screening potential candidate genes related to the yield according to the Winkler scale is presented, and the possibility of using a candidate gene identified through sequence haplotype and homology analysis as a breeding source is suggested.MethodsQTL for the Winkler scale was identified using a population of 120 double haploids derived from a cross between Cheongchoneg, Indica, and Nagdong, Japonica.Results and discussionA total of 79 candidate genes were detected in the identified QTL region, and OsHAq8 was finally screened. Through haplotype analysis, OsHAq8 was derived from the Indica group and orthologous to Graminae’s activator of Hsp90 ATPase, suggesting that it is a candidate gene involved in yield according to temperature during the growing period. The expression level of OsHAq8 increased as the Winkler scale increased. The findings of this study can serve as a crucial indicator for predicting harvest time and grain quality while achieving a stable yield through marker selection and adaptation to climate change. Climate change occurs more frequently. In these situations, it is very important to predict harvest time and apply relevant candidate genes to breeding. The candidate genes presented in this study can be effectively applied to rice breeding in preparation for climate change.

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Section: B a Figurementioning

confidence: 99%