Identification of novel alleles from wild barley for the improvement of alpha-amylase and related malt quality traits

2016 ◽  
Vol 135 (6) ◽  
pp. 663-670 ◽  
Author(s):  
Suong T. Cu ◽  
Timothy J. March ◽  
Sophia Degner ◽  
Jason K. Eglinton
Keyword(s):  
Wild Barley ◽  
Alpha Amylase ◽  
Quality Traits ◽  
Malt Quality ◽  
Novel Alleles

scholarly journals Correlation and path analysis of yield, yield contributing and malt quality traits of Ethiopian sorghum (Sorghum bicolor (L.) Moench) genotypes

2019 ◽  
Vol 13 (8) ◽  
pp. 209-220
Author(s):  
Haftu Mengesha Gobezayohu ◽  
Mekbib Hailemariam Firew ◽  
Tadesse Mindaye Taye ◽  
Lakew Berhane ◽  
Pal Singh Verma Ramesh
Keyword(s):  
Path Analysis ◽  
Sorghum Bicolor ◽  
Quality Traits ◽  
Malt Quality ◽  
Correlation And Path Analysis ◽  
Sorghum Bicolor L

scholarly journals QTL and genetic analysis controlling fiber quality traits using paternal backcross population in Upland Cotton

2019 ◽  
Author(s):  
Lingling Ma ◽  
Ying Su ◽  
Yumei Wang ◽  
Hushai Nie ◽  
Yupeng Cui ◽  
...  
Keyword(s):  
Upland Cotton ◽  
Fiber Strength ◽  
Fiber Quality ◽  
Field Trials ◽  
Quality Traits ◽  
Backcross Population ◽  
Fiber Quality Traits ◽  
Ril Population ◽  
Cotton Hybrid ◽  
Novel Alleles

ABSTRACTIn present study, F14 recombinant inbred line (RIL) population was backcrossed to paternal parent for a paternal backcross (BC/P) population, deriving from one Upland cotton hybrid. Three repetitive BC/P field trials and one BC/M field trial were performed including both two BC populations and the original RIL population. Totally, for fiber quality traits, 24 novel QTLs were detected and 13 QTLs validated previous results. And 19 quantitative trait loci (QTL) in BC/P populations explained 5.01% - 22.09% of phenotype variation (PV). Among the 19 QTLs, three QTLs were detected simultaneously in BC/M population. The present study provided novel alleles of male parent for fiber quality traits with positive genetic effects. Particularly, qFS-Chr3-1 controlling fiber strength explained 22.09% of PV in BC/P population, which increased 0.48 cN/tex for fiber strength. A total of seven, two, eight, two and six QTLs explained over 10.00% of PV for fiber length, fiber uniformity, fiber strength, fiber elongation and fiber micronaire, respectively. In the RIL population, six common QTLs detected in more than one environment such as qFL-Chr1-2, qFS-Chr5-1, qFS-Chr9-1, qFS-Chr21-1, qFM-Chr9-1 and qFM-Chr9-2. Two common QTLs of qFE-Chr2-2 (TMB2386-SWU12343) and qFM-Chr9-1 (NAU2873-CGR6771) explained 22.42% and 21.91% of PV. In addition, a total of 142 and 46 epistatic QTLs and QTL × environments (E-QTLs and QQEs) were identified in RIL-P and BC/P populations, respectively.

Genetic Control of Quantitative Grain and Malt Quality Traits in Barley

2002 ◽  
Vol 5 (1-2) ◽  
pp. 131-164 ◽  
Author(s):  
E. Igartua ◽  
P. M. Hayes ◽  
W. T. B. Thomas ◽  
R. Meyer ◽  
D. E. Mather
Keyword(s):  
Genetic Control ◽  
Quality Traits ◽  
Malt Quality

Association and genome analyses to propose putative candidate genes for malt quality traits

2018 ◽  
Vol 99 (6) ◽  
pp. 2775-2785 ◽  
Author(s):  
Sintayehu Daba ◽  
Richard Horsley ◽  
Paul Schwarz ◽  
Shaoman Chao ◽  
Flavio Capettini ◽  
...  
Keyword(s):  
Candidate Genes ◽  
Quality Traits ◽  
Malt Quality ◽  
Genome Analyses

Alpha-Amylase Allelic Variation in Domesticated and Wild Barley

2012 ◽  
pp. 57-68 ◽  
Author(s):  
Suong Cu ◽  
Sophia Roumeliotis ◽  
Jason Eglinton
Keyword(s):  
Wild Barley ◽  
Allelic Variation ◽  
Alpha Amylase

Effects of Gene ant13 on Agronomic and Malt Quality Traits of Barley

Crop Science ◽  
1991 ◽  
Vol 31 (3) ◽  
pp. 593-598 ◽  
Author(s):  
R. D. Horsley ◽  
P. B. Schwarz ◽  
A. E. Foster
Keyword(s):  
Quality Traits ◽  
Malt Quality

scholarly journals Wx Gene in Hordeum chilense: Chromosomal Location and Characterisation of the Allelic Variation in the Two Main Ecotypes of the Species

Agronomy ◽  
2019 ◽  
Vol 9 (5) ◽  
pp. 261 ◽  
Author(s):  
Juan B. Alvarez ◽  
Laura Castellano ◽  
Rocío Recio ◽  
Adoración Cabrera
Keyword(s):  
Wild Barley ◽  
Allelic Variation ◽  
Wheat Breeding ◽  
Hordeum Chilense ◽  
Phylogenetic Studies ◽  
Enzymatic Function ◽  
Starch Properties ◽  
Wx Gene ◽  
Bridge Species ◽  
Novel Alleles

Starch, as the main grain component, has great importance in wheat quality, with the ratio between the two formed polymers, amylose and amylopectin, determining the starch properties. Granule-bound starch synthase I (GBSSI), or waxy protein, encoded by the Wx gene is the sole enzyme responsible for amylose synthesis. The current study evaluated the variability in Wx genes in two representative lines of Hordeum chilense Roem. et Schult., a wild barley species that was used in the development of tritordeum (×Tritordeum Ascherson et Graebner). Two novel alleles, Wx-Hch1a and Wx-Hch1b, were detected in this material. Molecular characterizations of these alleles revealed that the gene is more similar to the Wx gene of barley than that of wheat, which was confirmed by phylogenetic studies. However, the enzymatic function should be similar in all species, and, consequently, the variation present in H. chilense could be utilized in wheat breeding by using tritordeum as a bridge species.

scholarly journals Genetic variation among selected pure lines from Turkish barley landrace ‘Tokak’ in yield-related and malting quality traits

2021 ◽  
Vol 19 (4) ◽  
pp. e0702-e0702
Author(s):  
Ibrahim Saygili ◽  
Keyword(s):  
Amylase Activity ◽  
Alpha Amylase ◽  
Malting Quality ◽  
Malt Extract ◽  
Quality Traits ◽  
Malting Barley ◽  
Glucanase Activity ◽  
Beta Glucanase ◽  
Barley Landrace ◽  
Thousand Seed Weight

Aim of study: Improvement of barley cultivars for malting traits suffers from narrow genetic pool in barley for these traits. Landraces are resources that could be used for this purpose. The present study was conducted to determine the variation for malting quality traits within a Turkish barley landrace. Area of study: The study was undertaken in Tokat, a province in Black Sea Region of Turkey. Material and methods: Twenty-five diverse lines, out of 42 unique genotypes previously identified in ‘Tokak’ landrace (PI 470281) based on DNA markers, were evaluated for malting quality traits along with the malting barley cv. ‘Tokak 157/37’ in four field trials. Thousand-seed weight, test weight, grain yield, lodging, malt extract percentage, diastatic power, alpha amylase and malt beta glucanase activities, malt protein and starch contents were determined. Main results: Principal component analysis of malting quality traits revealed that thousand-seed weight, alpha amylase activity, beta glucanase activity and diastatic power were the most discriminatory traits for the lines. As the average of four trials, 15 of the 25 lines evaluated had higher grain yields and 10 of 25 lines had higher malt extract percentages than the standard cultivar ‘Tokak 157/37’. Malt extract was highest in Line 59 in all environments, and this line also had the highest values for beta glucanase activity and starch content. Line 215 had highest values for alpha amylase activity. Lines 59 and 215 clearly had superior malting quality. Research highlights: These lines could harbor novel alleles for these traits to be used in malting barley improvement.

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