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Article
AFLP analysis of genetic variability in New Guinea impatiens
New Guinea impatiens (Impatiens hawkeri) is an economically important floral crop, however, little work has been conducted to further our understanding of the genetics of this crop. In this study, we used amplif...
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Article
DNA-methylation alterations and exchanges during in vitro cellular differentiation in rose (Rosa hybrida L.)
DNA-methylation profiles of leaf tissues of Rosa hybrida cv. Carefree Beauty collected from in vivo-grown greenhouse plants, in vitro-grown proliferating shoots at different passages, regenerants of embryogenic c...
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Article
Delimiting a rice wide-compatibility gene S 5 n to a 50 kb region
Wide-compatibility (WC) is one of the most important traits in rice, which can overcome the fertility barrier in the indica/japonica hybrids, and hence to make it possible to utilize the higher yield potential of...
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Article
Genome-wide isolation of resistance gene analogs in maize (Zea mays L.)
Conserved domains or motifs shared by most known resistance (R) genes have been extensively exploited to identify unknown R-gene analogs (RGAs). In an attempt to isolate all potential RGAs from the maize genome, ...
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Article
Map** of genome-wide resistance gene analogs (RGAs) in maize (Zea mays L.)
Isolation and map** of genome-wide resistance (R) gene analogs (RGAs) is of importance in identifying candidate(s) for a particular resistance gene/QTL. Here we reported our result in map** totally 228 genome...
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Article
Identification and fine-map** of a major QTL conferring resistance against head smut in maize
Head smut is one of the most devastating diseases in maize, causing severe yield loss worldwide. Here we report identification and fine-map** of a major quantitative trait locus (QTL) conferring resistance t...
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Article
Maize Mutator transposon
Transposable elements are widely distributed in eukaryotes. Due to its high copy numbers, high forward mutation rate and preferential insertion into low-copy DNA sequences, among others, the Mutator system has be...
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Article
Open AccessValidation of candidate genes putatively associated with resistance to SCMV and MDMV in maize (Zea mays L.) by expression profiling
The potyviruses sugarcane mosaic virus (SCMV) and maize dwarf mosaic virus (MDMV) are major pathogens of maize worldwide. Two loci, Scmv1 and Scmv2, have ealier been shown to confer complete resistance to SCMV. C...
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Article
A major QTL for resistance to Gibberella stalk rot in maize
Fusarium graminearum Schwabe, the conidial form of Gibberella zeae, is the causal fungal pathogen responsible for Gibberella stalk rot of maize. Using a BC1F1 backcross map** population derived from a cross bet...
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Article
Genome-wide patterns of genetic variation among elite maize inbred lines
Jun Wang and colleagues report the resequencing of six elite maize inbred lines. The authors identified over 1 million SNPs and 30,000 insertion or deletion polymorphisms in this agricultural crop.
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Article
Fine-map** of qRfg2, a QTL for resistance to Gibberella stalk rot in maize
Stalk rot is one of the most devastating diseases in maize worldwide. In our previous study, two QTLs, a major qRfg1 and a minor qRfg2, were identified in the resistant inbred line ‘1145’ to confer resistance to
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Article
Production and characterization of milk-clotting enzyme from Bacillus amyloliquefaciens JNU002 by submerged fermentation
Milk-clotting enzymes produced by microorganisms have been developed to replace calf rennet, yet the enzymatic level and the ratio of milk-clotting activity to proteolytic activity still need further improveme...
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Article
A two-stage oxygen supply control strategy for enhancing milk-clotting enzyme production by Bacillus amyloliquefaciens
To enhance the yield and productivity of milk-clotting enzyme (MCE) by Bacillus amyloliquefaciens, a two-stage oxygen supply control strategy was proposed and successfully applied in the MCE fermentation. During ...
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Article
Allelic variation for a candidate gene for GS7, responsible for grain shape in rice
Grain shape is an important component of end-use quality in rice. The genomic location of the grain shape QTL GS7 was narrowed to lie within a 4.8-kb segment on chromosome 7. The homologous region in cv. Nipponba...
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Article
QTL map** of resistance to gray leaf spot in maize
Gray leaf spot (GLS), caused by the causal fungal pathogen Cercospora zeae-maydis, is one of the most serious foliar diseases of maize worldwide. In the current study, a highly resistant inbred li...
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Article
Cloning and expression of genes related to the sucrose-metabolizing enzymes and carbohydrate changes in peach
To shed light on the relationship between sucrose metabolism and expression of genes related to sucrose-metabolizing enzymes, six genes encoding sucrose-metabolizing enzymes were isolated, and the levels of fo...
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Article
Open AccessIdentification and fine-map** of a QTL, qMrdd1, that confers recessive resistance to maize rough dwarf disease
Maize rough dwarf disease (MRDD) is a devastating viral disease that results in considerable yield losses worldwide. Three major strains of virus cause MRDD, including maize rough dwarf virus in Europe, Mal de...
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Article
Open AccessCombined linkage and association map** reveals candidates for Scmv1, a major locus involved in resistance to sugarcane mosaic virus (SCMV) in maize
Sugarcane mosaic virus (SCMV) disease causes substantial losses of grain yield and forage biomass in susceptible maize cultivars. Maize resistance to SCMV is associated with two dominant genes, Scmv1 and Scmv2, w...
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Article
Open AccessHigh-resolution map** and characterization of qRgls2, a major quantitative trait locus involved in maize resistance to gray leaf spot
Gray leaf spot (GLS) caused by Cercospora zeae-maydis (Czm) or Cercospora zeina (Cz) is a devastating maize disease and results in substantial yield reductions worldwide. GLS resistance is a quantitatively inheri...
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Article
A maize wall-associated kinase confers quantitative resistance to head smut
Mingliang Xu and colleagues show that a wall-associated kinase, ZmWAK, confers resistance to maize head smut, a systemic fungal disease in maize.