ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2016
Fast neutron-induced structural rearrangements at a soybean NAP1 locus result in gnarled trichomes.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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28 citing papers in PubMed, 42 citations in OpenAlex.
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- The elite variations in germplasms for soybean breeding.Molecular breeding : new strategies in plant improvement · 2023Article
- A chromosome 16 deletion conferring a high sucrose phenotype in soybean.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Comparative Transcriptomic Analysis Revealed the Suppression and Alternative Splicing of Kiwifruit (International journal of molecular sciences · 2023Article
- Molecular, genetic, and genomic basis of seed size and yield characteristics in soybean.Frontiers in plant science · 2023Review
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- The Organ Size and Morphological Change During the Domestication Process of Soybean.Frontiers in plant science · 2022Review
- Genetic Architecture and Candidate Genes for Pubescence Length and Density and Its Relationship With Resistance to Common Cutworm in Soybean.Frontiers in plant science · 2021Article
- GmNAP1 is essential for trichome and leaf epidermal cell development in soybean.Plant molecular biology · 2020Article
- Comparative transcriptomics analysis revealing flower trichome development during flower development in two Lonicera japonica Thunb. cultivars using RNA-seq.BMC plant biology · 2020Article
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- On the Inverse Correlation of Protein and Oil: Examining the Effects of Altered Central Carbon Metabolism on Seed Composition Using Soybean Fast Neutron Mutants.Metabolites · 2019Article
- Identification and characterization of a fast-neutron-induced mutant with elevated seed protein content in soybean.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2019Article
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9 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
key messageThree adjacent and distinct sequence rearrangements were identified at a NAP1 locus in a soybean mutant. Genetic dissection and validation revealed the function of this gene in soybean trichome development. A soybean (Glycine max (L.) Merr.) gnarled trichome mutant, exhibiting stunted trichomes compared to wild-type, was identified in a fast neutron mutant population. Genetic mapping using whole genome sequencing-based bulked segregant analysis identified a 26.6 megabase interval on chromosome 20 that co-segregated with the phenotype. Comparative genomic hybridization analysis of the mutant indicated that the chromosome 20 interval included a small structural variant within the coding region of a soybean ortholog (Glyma.20G019300) of Arabidopsis Nck-Associated Protein 1 (NAP1), a regulator of actin nucleation during trichome morphogenesis. Sequence analysis of the candidate allele revealed multiple rearrangements within the coding region, including two deletions (approximately 1-2 kb each), a translocation, and an inversion. Further analyses revealed that the mutant allele perfectly co-segregated with the phenotype, and a wild-type soybean NAP1 transgene functionally complemented an Arabidopsis nap1 mutant. In addition, mapping and exon sequencing of NAP1 in a spontaneous soybean gnarled trichome mutant (T31) identified a frame shift mutation resulting in a truncation of the coding region. These data indicate that the soybean NAP1 gene is essential for proper trichome development and show the utility of the soybean fast neutron population for forward genetic approaches for identifying genes.
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