Guangcun Li

Rhizosphere microbiome-dependent metabolic reprogramming enhances potato salt tolerance in saline soils

Hanxiang Wang, Yadi Li, Yangyang Shang, Yuting Yang et autres

Soil salinization is increasing globally, causing yield losses, especially in irrigated agriculture. Rhizosphere microorganisms can improve plant salt tolerance, but evidence in potato remains limited. In this study, rhizosphere microbial community diversity and structure differed markedly between salt-tolerant and salt-sensitive potato under …

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StHY5 activates StSP6A to control photoperiod-induced tuberization in potato

Meiqi Shi, Lijie Xuan, Yunke Zhu, Z Z Huang et autres

Photoperiod critically regulates potato tuber development, with short days inducing the expression of the key tuberigen signal, SELF PRUNING 6A (StSP6A). To identify upstream regulators of StSP6A, we performed a transcriptome analysis of potato leaves in response to short days. Among the …

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StSAUR31 functions as a negative regulator of enzymatic browning in potato ( Solanum tuberosum L.)

Zan Meng, Miaomiao Zhang, Yurong Ma, Guangcun Li et autres

Abstract Enzymatic browning significantly affects the processing and quality maintenance of a wide range of horticultural produce. Identifying key regulators of browning is essential for elucidating its underlying mechanisms and developing effective mitigation strategies. In this study, transcriptomic comparison between potato cultivars …

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Phytophthora infestans Effector Protein Pi08174 Suppresses Potato Immune Defense via Multiple Resistance Pathways

Jia‐Yi Zheng, Hongjun Li, Zewei Zhang, Youjiao Shan et autres

Late blight, caused by Phytophthora infestans, is a devastating disease that affects potato production. During the interactions with P. infestans, effectors are secreted into the plant to control the cellular activity of the host and suppress the plant immune response. However, the …

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Transcriptome Analysis Reveals Co-Expression Regulation of Sugar Transport and Signaling Networks in Initiating Stolon-to-Tuber Transition in Potato

Jun Hu, Jinxue Hu, Shaoguang Duan, Yanfeng Duan et autres

The network regulatory mechanism governing the dynamics of plant maturity and tuber development in potatoes (Solanum tuberosum L.) has remained a major focus in potato molecular biology research. In this study, three potato cultivars with different maturity periods (‘Shishu 2’, ‘Zhongshu 3’, …

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Natural Variation of StNADC Regulates Plant Senescence in Tetraploid Potatoes (Solanum tuberosum L.)

Jianfei Xu, Chunsong Bian, Shaoguang Duan, Jun Hu et autres

Senescence impacts plant growth and yields in tetraploid potatoes (Solanum tuberosum L.). Because of their homogenous tetraploid features, it is a major challenge to understand the genetic basis and molecular mechanisms of senescence. Here, we identified a novel central senescence regulator (Nicotinate-nucleotide …

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Fine Mapping and Candidate Genes Analysis for Regulatory Gene of Anthocyanin Synthesis in the Corolla, Shedding Light on Wild Potato Evolution

Zewei Zhang, Hongjun Li, Lingkui Zhang, Shaoguang Duan et autres

Petota includes more than 100 species (wild and cultivated), presenting a rich variety of corolla colors and associated traits. This variability provides important opportunities for investigating the differentiation of orthologous genes’ functions and their evolutionary pathways. However, the genetic underpinnings of this …

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Regulation of storage organ formation by long-distance tuberigen signals in potato

Xinru Bao, Guangcun Li, Lu Liu

Potatoes are valued as reliable crops due to their high carbohydrate content and relatively low farming demands. Consequently, significant attention has been directed towards understanding and controlling the life cycle of potato tubers in recent years. Notably, recent studies have identified self-pruning …

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Deficit irrigation differentially modulates rhizosphere microbial community and metabolites of two potato genotypes differing in drought tolerance

Junhong Qin, Ian Charles Dodd, Chunsong Bian, Guangcun Li et autres

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Impact of Cooking on Tuber Color, Texture, and Metabolites in Different Potato Varieties

Jun Hu, Jinxue Hu, Shaoguang Duan, Fankui Zeng et autres

Potatoes are a globally important crop with high nutritional value. Different potato varieties display notable variations in color, texture, and nutrient composition. However, the influence of cooking on tuber color, texture, and metabolites has not been comprehensively explored. This study evaluated the …

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Metabolomic and transcriptomic analyses reveal MYB-Related genes involved in drought resistance in grafted potatoes via the flavonoid pathway

Yinqiao Jian, Chunyan Gao, Yangyang Shang, Junhong Qin et autres

Drought poses a significant challenge to global potato production. Grafting, a classical horticultural technique, has the potential to enhance resistance to both biotic and abiotic stresses. However, the use of grafting to improve drought resistance in potatoes, along with the underlying genetic …

Comprehensive transcriptome profiling and transcription factor identification in early/late leaf senescence grafts in potato

He Ming, Boshu Li, Zhiming Hui, Jiangang Liu et autres

Potato (Solanum tuberosum L.) is recognized globally as the most significant non-cereal staple crop. Leaf senescence, which significantly impacts tuber yield, serves as a critical indicator of potato maturity. Despite its importance, the molecular mechanisms regulating this process remain largely unknown. In …

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