Publications by authors named "Boning Xin"

Leaf senescence is a complex developmental process that is regulated by multiple genetic and environmental factors. Understanding the mechanisms underlying the regulation of leaf senescence will provide valuable insights for manipulation of this trait in crops. Here, we report that the ATP-binding cassette (ABC) transporter OsPDR1 is involved in promoting leaf senescence in rice.

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Article Synopsis
  • Rice roots have developed barriers at the endodermis to optimize nutrient uptake in response to changing environments, regulated by MYB transcription factors OsMYB39a, OsMYB41, OsMYB92a, and OsMYB92b.
  • * A knockout of these MYB genes resulted in a complete lack of suberization and lignification, while overexpressing them promoted strong suberization and improved salinity tolerance.
  • * Transcriptome analysis revealed 152 downstream genes influenced by the MYB factors, shedding light on their role in ion homeostasis and response to environmental stress.
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The Casparian strip (CS) is a ring-like lignin structure deposited between endodermal cells that forms an apoplastic barrier to control the selective uptake of nutrients in vascular plants. However, the molecular mechanism of CS formation in rice (Oryza sativa), which possesses one CS each in the endodermis and exodermis, is relatively unknown. Here, we functionally characterized CS INTEGRITY FACTOR1 (OsCIF1a, OsCIF1b), OsCIF2, and SCHENGEN3 (OsSGN3a, OsSGN3b) in rice.

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Salt stress is a critical limiting factor for rice growth and production. Although numerous salt-tolerant genes have been identified, the mechanism underlying salt stress tolerance in rice remains unclear. This study reports the need for an uncharacterized WRKY transcription factor OsWRKY54 for rice salt-tolerance.

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