Selection for a Zinc-Finger Protein Contributes to Seed Oil Increase during Soybean Domestication

Li, Qingtian; Lü, Xiang; Song, Qingxin; Chen, Haowei; Wei, Wei; Tao, Jian-Jun; Bian, Xing; Shen, Ming; Ma, Biao; Zhang, Wan–Ke; Bi, Ye; Li, Wei; Lai, Yongcai; Lam, Sin Man; Shui, Guanghou; Chen, Shouyi; Zhang, Jinsong

doi:10.1104/pp.16.01610

Cited by 76 publications

(92 citation statements)

References 64 publications

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“…The fatty acid content of mature soybean seeds was extracted as previously described (Li, Lu, Song, & Chen, 2017). Fatty acid content was measured with a gas chromatography system (GC-2014; Shimadzu).…”

Section: Fatty Acid Content Analysis Of Mature Soybean Seedsmentioning

confidence: 99%

Meta‐analysis and overview analysis of quantitative trait locis associated with fatty acid content in soybean for candidate gene mining

et al. 2018

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As soybean seed fatty acid content is valued in food, animal feed and some industrial applications, plant breeders continually aim to improve seed fatty acid constituent value. This study analysed 163 original quantitative trait loci (QTLs) related to soybean fatty acid content from databases and references and revealed 43 consensus QTLs. Meta‐analysis using BioMercator ver.2.1 indicated that these were located across 16 linkage groups (LGs) excluding LG D1a, LG C1, LG M and LG H. Moreover, the overview method was used to optimize these QTLs based on statistical analysis. Some valid QTL regions were narrowed down to 0.5 Mb and mapped on the same LGs as the meta‐analysis result. Furthermore, the functions of all genes located in these consensus QTL intervals were predicted and eight candidate genes were identified. KEGG pathway analysis indicated that Glyma.13G127900 and Glyma.18G232000 were involved in the fatty acid synthesis metabolic (pathway ID ko00071, ko00062, ko01040). These results lay a foundation for fine mapping of QTLs related to fatty acid content and marker‐assisted breeding in soybean.

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Section: Fatty Acid Content Analysis Of Mature Soybean Seedsmentioning

confidence: 99%

Meta‐analysis and overview analysis of quantitative trait locis associated with fatty acid content in soybean for candidate gene mining

et al. 2018

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“…In rice, a natural allele of Bsr‐d1, which causes a single nucleotide change in the promoter, confers nonrace‐specific resistance to blast fungus (W. Li et al ., ). Haplotype variation in the GmZF351 promoter is correlated with GmZF351 expression and seed oil content in soybean (Q. T. Li et al ., ). Structural variation in the PP2C‐1 protein from wild soybean accessions contributes to seed weight increase in soybean (Lu et al ., ).…”

Section: Discussionmentioning

confidence: 97%

“…Transgenic soybeans were generated with soybean cultivar ‘Jack’ using the cotyledonary node‐ A. tumefaciens ‐mediated transformation method by Da Bei Nong Group (Beijing, China) (Q. T. Li et al ., ). Transgenic soybean plants were selected with CP4 EPSPS test paper (You Long Biotech Co., Shanghai, China).…”

Section: Methodsmentioning

confidence: 97%

“…The alignment of HSFB2b promoters in soybean accessions was performed with ClustalX software and the phylogenetic tree was generated by FigTree v.1.4.3 software. Haplotype variation analysis was performed with Mega 7 (Q. T. Li et al ., ).…”

Section: Methodsmentioning

confidence: 97%

“…A ChIP assay was performed as described by Q. T. Li et al . () with minor modifications (Methods S1).…”

Section: Methodsmentioning

confidence: 99%

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A class B heat shock factor selected for during soybean domestication contributes to salt tolerance by promoting flavonoid biosynthesis

et al. 2019

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Summary Soybean (Glycine max) production is severely affected in unfavorable environments. Identification of the regulatory factors conferring stress tolerance would facilitate soybean breeding. In this study, through coexpression network analysis of salt‐tolerant wild soybeans, together with molecular and genetic approaches, we revealed a previously unidentified function of a class B heat shock factor, HSFB2b, in soybean salt stress response. We showed that HSFB2b improves salt tolerance through the promotion of flavonoid accumulation by activating one subset of flavonoid biosynthesis‐related genes and by inhibiting the repressor gene GmNAC2 to release another subset of genes in the flavonoid biosynthesis pathway. Moreover, four promoter haplotypes of HSFB2b were identified from wild and cultivated soybeans. Promoter haplotype II from salt‐tolerant wild soybean Y20, with high promoter activity under salt stress, is probably selected for during domestication. Another promoter haplotype, III, from salt‐tolerant wild soybean Y55, had the highest promoter activity under salt stress, had a low distribution frequency and may be subjected to the next wave of selection. Together, our results revealed the mechanism of HSFB2b in soybean salt stress tolerance. Its promoter variations were identified, and the haplotype with high activity may be adopted for breeding better soybean cultivars that are adapted to stress conditions.

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Effects of Foliar Applications of Zinc in the Forms of Free Mineral or Amino Acid Complexed on Qualitative Characteristics of Olive Oil

Bastam

Baninasab

Mobli

et al. 2020

J Americ Oil Chem Soc

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An orchard experiment was conducted during two successive years to evaluate the effectiveness of the foliar application of zinc (Zn) in mineral form (ZnSO4) or chelated with various amino acids (AAC) on the oil content, qualitative indices, and fatty acid profile of olive oil. All Zn sources were applied at a rate of 0.2% during two growth stages; at full bloom (FB) and 15 days after FB. The results showed that Zn, regardless of applied sources, accumulated more Zn in leaves and fruits compared to the control. The effectiveness of Zn‐AAC in increasing leaf and fruit Zn concentration was higher than ZnSO4. In both years, an increase in oil content and concentration of phenolic compounds and chlorophyll in the oil was observed when trees were treated with Zn, although these effects were dependent on the Zn sources. In general, the Zn‐AAC treatments, especially Zn‐methionine (Met), was more effective than ZnSO4. Zn‐AAC treatments increased the L* value and b* intensity, while decreasing the a* value of olive oil compared to the control. However, ZnSO4 had a slight or no significant effect on oil color. The oil fatty acid profile was also affected by Zn. The Zn‐Met and Zn‐Glycine (Gly) were more effective than the other Zn sources in increasing monounsaturated fatty acid, specifically oleic acid of oil in both years, respectively. These results could suggest that the application of Zn‐AAC, especially Zn‐Met and Zn‐Gly, can be considered as a new strategy to improve olive oil quality and quantity in Zn‐deficient soils.

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Selection for a Zinc-Finger Protein Contributes to Seed Oil Increase during Soybean Domestication

Cited by 76 publications

References 64 publications

Meta‐analysis and overview analysis of quantitative trait locis associated with fatty acid content in soybean for candidate gene mining

Meta‐analysis and overview analysis of quantitative trait locis associated with fatty acid content in soybean for candidate gene mining

A class B heat shock factor selected for during soybean domestication contributes to salt tolerance by promoting flavonoid biosynthesis

Effects of Foliar Applications of Zinc in the Forms of Free Mineral or Amino Acid Complexed on Qualitative Characteristics of Olive Oil

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