UK: Tomato blossoms unfold new insights, key gene TM6 controls flower development

Published 2024년 5월 20일

Tridge summary

Researchers at the Universidad de Almería have made a significant discovery in understanding the complexities of tomato flower development by identifying a mutation in the TOMATO MADS-BOX 6 (TM6) gene. This gene plays a crucial role in defining floral organ identity and its mutation results in male sterility due to disruptions in the transcriptional harmony of other MADS-box genes. The findings could have practical applications in agricultural strategies, potentially leading to the development of male sterile tomato varieties for hybrid seed production, which could improve crop yields, resistance, and quality, and contribute to global food security.

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Original content

The genetic tapestry governing flower development in plants is intricate, with MADS-box transcription factors identified as the primary architects of floral morphology. While model species have been extensively studied, the genetic nuances in crops like tomatoes are still largely uncharted.Addressing these knowledge gaps is essential for unraveling the complexities of flower development and male sterility in tomatoes.Scientists at the Universidad de Almería have achieved a notable milestone in botanical research with their examination of tomato flower development, as detailed in a study published in Horticulture Research on January 16, 2024.The research zeroes in on the TOMATO MADS-BOX 6 (TM6) gene and its influential role in shaping the floral landscape of tomatoes.The research team characterized a tomato mutant, dubbed succulent stamens 2 (sus2), which presented pronounced deviations in floral development. The mutants exhibited diminished petal size and stamens that morphed into ...

Source: Phys