Evidence map›Paper›PMID 25099921›Full record

ArticleJournal of applied genetics2015

Characterisation of low molecular weight glutenin subunit genes from Pseudoroegneria spicata and Pd. strigosa.

Lumin Qin, Yu Liang, Daozheng Yang, Guangmin Xia, Shuwei Liu

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Article in Journal of applied genetics, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Lumin QinThe Key Laboratory of Plant Cell Engineering and Germplasm Innovation, Ministry of Education, School of Life Sciences, Shandong University, Jinan, 250100, People's Republic of China.
Yu Liang
Daozheng Yang
Guangmin Xia
Shuwei Liu

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We report the characterisation of nine novel low molecular weight glutenin subunit (LMW-GS) genes from two Pseudoroegneria species, Pd. spicata and Pd. strigosa. We found that all nine LMW-GS genes possess the same primary structure shared by other published LMW-GS. Five genes encode LMW-i type subunits, three encode LMW-m type subunits and one encodes a peptide similar to B-3 hordeins of Hordeum chilense. No LMW-s type subunit genes were found in Pseudoroegneria. One subunit, PSt24-LMW-2, contains six conserved cysteine residues, and the other eight subunits all contain eight cysteine residues. We show that one cysteine residue is located in the signal peptide of PSt24-LMW-1, suggesting a mature peptide containing only seven cysteine residues. Phylogenetic analysis indicates that the LMW-GS genes from the St genome cluster together and suggests a distant relationship with LMW-GS of the A and B genomes of wheat. Slippage/unequal crossing over and illegitimate recombination are effective mechanisms for enriching variations of seed storage proteins.

Indexed as

Genes, PlantAmino Acid SequenceGlutensMolecular Sequence DataMolecular WeightPhylogenyPoaceaeProtein SubunitsSequence Analysis, DNAgluteninGlutensProtein Subunits

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.