The synergistic effect of fiber quality by proanthocyanidins and lignins in cotton fibers

Zheng, Hongli; Zhou, Xinping; Lv, Minghua; Zhang, Xinyu; Yang, Bingxian; Ke, Liping; Zhou, Wenlong; Sun, Yuqiang

doi:10.1016/j.indcrop.2024.118581

Industrial Crops and Products

2024

DOI: 10.1016/j.indcrop.2024.118581

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The synergistic effect of fiber quality by proanthocyanidins and lignins in cotton fibers

Hongli Zheng,

Xinping Zhou,

Minghua Lv

et al.

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2024

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Cited by 2 publications

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Effect of Nitrogen Fertilization on the Quality of Colored Cotton Fibers in the Brazilian Semi-Arid Region

da Silva Ribeiro,

de Lima Tartaglia,

Caetano

et al. 2024

Journal of Natural Fibers

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Effect of Nitrogen Fertilization on the Quality of Colored Cotton Fibers in the Brazilian Semi-Arid Region

da Silva Ribeiro,

de Lima Tartaglia,

Caetano

et al. 2024

Journal of Natural Fibers

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The functions of laccase gene GhLAC15 in fiber colouration and development in brown‐colored cotton

Jiao,

Zheng,

Zhou

et al. 2024

Physiologia Plantarum

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The monotonicity of color type in naturally colored cottons (NCCs) has become the main limiting factor to their widespread use, simultaneously coexisting with poor fiber quality. The synchronous improvement of fiber quality and color become more urgent and crucial as the demand for sustainable development increases. The homologous gene of wild cotton Gossypium stocksii LAC15 in G. hirsutum, GhLAC15, was also dominantly expressed in the developing fibers of brown cotton XC20 from 5 DPA (day post anthesis) to 25 DPA, especially at the secondary cell wall thickening stage (20 DPA and 25 DPA). In XC20 plants with downregulated GhLAC15 (GhLAC15i), a remarkable reduction in proanthocyanidins (PAs) and lignin contents was observed. Some of the key genes in the phenylpropane and flavonoid biosynthesis pathway were down‐regulated in GhLAC15i plants. Notably, the fiber length of GhLAC15i plants showed an obvious increase and the fiber color was lightened. Moreover, we found that the thickness of cotton fiber cell wall was decreased in GhLAC15i plants and the fiber surface became smoother compared to that of WT. Taken together, this study revealed that GhLAC15 played an important role in PAs and lignin biosynthesis in naturally colored cotton fibers. It might mediate fiber color and fiber quality by catalyzing PAs oxidation and lignin polymerization, ultimately regulating fiber colouration and development.

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The synergistic effect of fiber quality by proanthocyanidins and lignins in cotton fibers

Cited by 2 publications

References 79 publications

Effect of Nitrogen Fertilization on the Quality of Colored Cotton Fibers in the Brazilian Semi-Arid Region

Effect of Nitrogen Fertilization on the Quality of Colored Cotton Fibers in the Brazilian Semi-Arid Region

The functions of laccase gene GhLAC15 in fiber colouration and development in brown‐colored cotton

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