(Peer-Reviewed) A lignified-layer bridge controlled by a single recessive gene is associated with high pod-shatter resistance in Brassica napus L
Wen Chu 储文 ¹ ² ³, Jia Liu 刘佳 ¹, Hongtao Cheng 成洪涛 ¹, Chao Li 李超 ¹, Li Fu 付丽 ¹, Wenxiang Wang 汪文祥 ¹, Hui Wang 王会 ¹, Mengyu Hao 郝梦宇 ¹, Desheng Mei 梅德圣 ¹, Kede Liu 刘克德 ², Qiong Hu 胡琼 ¹ ³
¹ Oil Crops Research Institute of Chinese Academy of Agricultural Sciences/Key Laboratory for Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Wuhan 430062, Hubei, China
中国 湖北 武汉 中国农业科学院油料作物研究所 农业农村部油料作物生物学与遗传育种重点实验室
² National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan 430070, Hubei, China
中国 湖北 武汉 华中农业大学 作物遗传改良国家重点实验室
³ Graduate School of Chinese Academy of Agricultural Sciences, Beijing 100081, China
中国 北京 中国农业科学院研究生院
Abstract
Pod shattering causes severe yield loss in rapeseed (Brassica napus L.) under modern agricultural practice. Identification of highly shatter-resistant germplasm is desirable for the development of rapeseed cultivars for mechanical harvesting. In the present study, an elite line OR88 with strong shatter resistance and a lignified-layer bridge (LLB) structure was identified.
The LLB structure was unique to OR88 and co-segregated with high pod-shatter resistance. The LLB structure is differentiated at stage 12 of gynoecium development without any gynoecium defects. Genetic analysis showed that LLB is controlled by a single recessive gene. By BSA-Seq and map-based cloning, the resistance gene location was delimited to a 0.688 Mb region on chromosome C09. Transcriptome analysis suggested BnTCP8.C09 as the gene responsible for LLB.
The expression of BnTCP.C09 was strongly downregulated in OR88, suppressing cell proliferation in the pod valve margin. KASP markers linked to the candidate gene were developed. This pod shatter-resistant line could be used in rapeseed breeding programs by direct transfer of the gene with the assistance of the DNA markers.
CW laser damage of ceramics induced by air filament
Chuan Guo, Kai Li, Zelin Liu, Yuyang Chen, Junyang Xu, Zhou Li, Wenda Cui, Changqing Song, Cong Wang, Xianshi Jia, Ji'an Duan, Kai Han
Opto-Electronic Advances
2025-06-27
Operando monitoring of state of health for lithium battery via fiber optic ultrasound imaging system
Chen Geng, Wang Anqi, Zhang Yi, Zhang Fujun, Xu Dongchen, Liu Yueqi, Zhang Zhi, Yan Zhijun, Li Zhen, Li Hao, Sun Qizhen
Opto-Electronic Science
2025-06-25
Observation of polaronic state assisted sub-bandgap saturable absorption
Li Zhou, Yiduo Wang, Jianlong Kang, Xin Li, Quan Long, Xianming Zhong, Zhihui Chen, Chuanjia Tong, Keqiang Chen, Zi-Lan Deng, Zhengwei Zhang, Chuan-Cun Shu, Yongbo Yuan, Xiang Ni, Si Xiao, Xiangping Li, Yingwei Wang, Jun He
Opto-Electronic Advances
2025-06-19
Embedded solar adaptive optics telescope: achieving compact integration for high-efficiency solar observations
Naiting Gu, Hao Chen, Ao Tang, Xinlong Fan, Carlos Quintero Noda, Yawei Xiao, Libo Zhong, Xiaosong Wu, Zhenyu Zhang, Yanrong Yang, Zao Yi, Xiaohu Wu, Linhai Huang, Changhui Rao
Opto-Electronic Advances
2025-05-27
Wearable photonic smart wristband for cardiorespiratory function assessment and biometric identification
Wenbo Li, Yukun Long, Yingyin Yan, Kun Xiao, Zhuo Wang, Di Zheng, Arnaldo Leal-Junior, Santosh Kumar, Beatriz Ortega, Carlos Marques, Xiaoli Li, Rui Min
Opto-Electronic Advances
2025-05-27
