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Fine mapping and expression characteristics analysis of male-sterile gene BrRNR1 in Chinese cabbage (Brassica rapa L. ssp. pekinensis).
BMC Plant Biol
January 2025
College of Horticulture, Shenyang Agricultural University, Shenyang, 110866, China.
Background: Chinese cabbage is a cross-pollinated crop with remarkable heterosis, and male-sterile line is an important mean to produce its hybrids. In this study, a male-sterile mutant msm7 was isolated from a Chinese cabbage DH line 'FT' by using EMS-mutagenesis.
Results: Compared with the wild-type 'FT', the anthers of mutant msm7 were completely aborted, accompanied by the defects in leaf and petal development.
Non-Additive Gene Expression in Carbon and Nitrogen Metabolism Drives Growth Heterosis in Populus deltoides.
Plant Cell Environ
January 2025
State Key Laboratory of Tree Genetics and Breeding, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, China.
Growth heterosis is crucial for Populus deltoides breeding, a key industrial-timber and ecological-construction tree species in temperate regions. However, the molecular mechanisms underlying carbon (C)-nitrogen (N) metabolism coordination in regulating growth heterosis remain unclear. Herein high-hybrids of P.
View Article and Find Full Text PDFComparative Transcriptome Analysis Reveals Mechanisms of Differential Salinity Tolerance Between and .
Genes (Basel)
December 2024
Key Laboratory of Sweet Potato Biology and Biotechnology, Ministry of Agriculture and Rural Affairs/Beijing Key Laboratory of Crop Genetic Improvement/Laboratory of Crop Heterosis & Utilization and Joint Laboratory for International Cooperation in Crop Molecular Breeding, Ministry of Education, College of Agronomy & Biotechnology, China Agricultural University, Beijing 100193, China.
Background: and have obvious morphological features and strongly tolerate saline-alkali environments. However, the mechanisms that lead to the differences in saline-alkali tolerance between them remain unclear.
Methods: In this study, we employed comparative transcriptome analysis to investigate and under saline-alkali stress.
Hybrid rice optimization algorithm inspired grey wolf optimizer for high-dimensional feature selection.
Sci Rep
December 2024
Wuhan Fiberhome Technical Services Co., Ltd, Wuhan, 430205, China.
Feature selection (FS) is a significant dimensionality reduction technique, which can effectively remove redundant features. Metaheuristic algorithms have been widely employed in FS, and have obtained satisfactory performance, among them, grey wolf optimizer (GWO) has received widespread attention. However, the GWO and its variants suffer from limited adaptability, poor diversity, and low accuracy when faced with high-dimensional data.
View Article and Find Full Text PDFNei 6 You 7075, a hybrid rice cultivar, exhibits enhanced disease resistance and drought tolerance traits.
BMC Plant Biol
December 2024
Rice Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou, 350018, China.
Background: Rice is the main food crop for much of the population in China. Therefore, selecting and breeding new disease resistance and drought tolerance in rice is essential to ensure national food security. The utilization of heterosis has significantly enhanced rice productivity, yet many of the molecular mechanisms underlying this phenomenon remain largely unexplored.
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