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map-based Audio Coding Compensation for Speaker Recognition

Journal of Signal and Information Processing 2011年第3期2卷 165-169页

作者： Tao Jiang Jiqing Han 不详

The performance of the speaker recognition system declines when training and testing audio codecs are mismatched. In this paper, based on analyzing the effect of mismatched audio codecs in the linear prediction cepstrum coefficients, a method of map-based audio coding compensation for speaker recognition is proposed. The proposed method firstly sets a standard codec as a reference and trains the speaker models in this codec format, then learns the deviation distributions between the standard codec format and the other ones, next gets the current bias via using a small number adaptive data and the map-based adaptive technique, and then adjusts the model parameters by the type of coming audio codec format and its related bias. During the test, the features of the coming speaker are used to match with the adjusted model. The experimental result shows that the accuracy reached 82.4% with just one second adaptive data, which is higher 5.5% than that in the baseline system.

关键词： Audio Coding Compensation Speaker Recognition map-based

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3-34 Gene Mining: Association Analysis of the Whole Genome Re-sequencing and the map-based Cloning

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IMP & HIRFL Annual Report 2015年第1期 130-131页

作者： Du Yan Zhou Libin Yu Lixia Luo Shanwei Feng Hui Mu Jinhu Chen Yuze Li Wenjian 不详

Since the whole genome sequence of Arabidopsis thaliana ecotype Columbia (Col-0) was published in 2 000, the focus of genomics study had turned from structural genomics to functional genomics era[1]. In the post genomics era, mutants play an important role for gene function exploring. Therefore, acquiring various variants and studying on them are useful for understanding the mechanism of plant development and molecular design for plant breeding.

关键词： map-based Cloning Association

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Positional cloning of PmCH1357 reveals the origin and allelic variation of the Pm2 gene for powdery mildew resistance in wheat

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The Crop Journal 2019年第6期7卷 771-783页

作者： Fang Chen Haiyan Jia Xiaojun Zhang Linyi Qiao Xin Li Jun Zheng Huijuan Guo Carol Powers Liuling Yan Zhijian Chang College of Life Science Shanxi UniversityTaiyuan 030006ShanxiChina The Shanxi Province Key Laboratory of Crop Genetics and Gene Improvement Institute of Crop ScienceShanxi Academy of Agricultural SciencesTaiyuan 030031ShanxiChina Department of Plant and Soil Sciences Oklahoma State UniversityStillwaterOK 74078USA The Applied Plant Genomics Laboratory of Crop Genomics and Bioinformatics Centre Nanjing Agricultural UniversityNanjing 210095JiangsuChina Institute of Wheat Research Shanxi Academy of Agricultural SciencesLinfen 041000ShanxiChina

Powdery mildew, caused by the biotrophic fungus Blumeria graminis f. sp. tritici(Bgt), is a prevalent disease in common wheat(Triticum aestivum L.) and causes serious yield losses worldwide. We used a map-based approach to clone the major broad-spectrum powdery mildew resistance gene Pm CH1357 from wheat breeding line CH1357. Pm CH1357 was mapped to a 526 kb region containing only Traes CS5 D01 G044600. The Traes CS5 D01 G044600 sequence of the susceptibility allele in Taichung 29(TC29) was identical to that in Chinese Spring, whereas the sequence of the resistance allele in CH1357 was identical to Pm2a previously cloned from the germplasm Ulka/*8Cc. The susceptibility allele in TC29 contained a 7 bp deletion in exon 1, resulting in loss of 856 of the 1277 amino acids in the predicted nucleotide-binding domain leucine-rich repeat containing Pm2a *** CH1357/Pm2a sequence was also isolated from the Chinese wheat landraces and cultivars that were previously reported to possess the resistance gene Pm2b, Pm2c,PmLX66, or PmND399. The Pm CH1357/Pm2a resistance allele was present in 10 of 495 accessions in core germplasm and contemporary cultivars from China and the USA. A newly developed diagnostic marker for the 7 bp In Del in the resistance gene can be used to eliminate the susceptibility allele in wheat breeding programs.

关键词： map-based cloning Natural variation Bgt isolate E09 Triticum aestivum Molecular breeding

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Up-regulation of a homeodomain-leucine zipper gene HD-1 contributes to trichome initiation and development in cotton

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Journal of Integrative Agriculture 2019年第2期18卷 361-371页

作者： NIU Er-li CAI Cai-ping BAO Jiang-hao WU Shuang ZHAO Liang GUO Wang-zhen State Key Laboratory of Crop Genetics&Germplasm Enhancement Ministry of Science and Technology/Hybrid Cotton R&D Engineering Research CenterMinistry of Education/College of AgricultureNanjing Agricultural UniversityNanjing 210095P.R.China

Plant trichomes originate from epidermal *** this work,we demonstrated that a homeodomain-leucine zipper(HD-Zip)gene,Gh_A06G1283(Gh HD-1A),was related to the leaf trichome trait in allotetraploid cotton and could be a candidate gene for the T_1 *** ortholog of GhHD-1A in the hairless accession Gossypium barbadense ***7124 was interrupted by a long terminal repeat(LTR)retrotransposon,while GhHD-1A worked well in the hairy accession Gossypium hirsutum *** and phylogenetic analysis showed that GhHD-1A belonged to the HD-Zip IV gene family,which mainly regulated epidermis hair development in *** of GhHD-1A and its homoeologs GhHD-1D in allotetraploid T586and Hai7124 could significantly reduce the density of leaf hairs and affect the expression levels of other genes related to leaf trichome *** analysis found that GhHD-1A mainly regulated trichome initiation on the upper epidermal hairs of leaves in cotton,while the up-regulated expression of GhHD-1A in different organs/tissues also altered epidermal trichome *** study not only helps to unravel the important roles of GhHD-1A in regulating trichome initiation in cotton,but also provides a reference for exploring the different forms of trichome development in plants.

关键词： leaf trichome map-based cloning a homeodomain-leucine zipper gene HD-1 virus-induced gene silencing (VIGS) functional differentiation

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