Compared the genes that encode sugar transport proteins in 14 bamboo species, it is found that woody bamboos have more copies of these sugar transport genes than herbaceous bamboos, which may offer useful gene resources for improving sugar transport and yield in crops.
Abstract
Simple Summary Bamboos include both herbaceous and woody species. Woody bamboos can grow remarkably fast, sometimes more than one meter per day, which requires a very efficient system to transport sugars from leaves to growing stems. In this study, we compared the genes that encode sugar transport proteins in 14 bamboo species. We found that woody bamboos have more copies of these sugar transport genes than herbaceous bamboos. The extra copies are not simply redundant; many of them show tissue-specific expression and are active at different stages of stem growth. This more specialized expression pattern may help woody bamboos deliver sugars more effectively to rapidly growing parts, supporting their explosive growth. Our findings provide new insights into how bamboo growth is regulated at the genetic level and may offer useful gene resources for improving sugar transport and yield in crops.
This study establishes a systematic genomic framework and identifies candidate functional transporters that govern sugar partitioning and storage, providing valuable genetic targets for molecular breeding and quality enhancement in sugarcane.
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