南京林业大学学报(自然科学版)
南京林業大學學報(自然科學版)
남경임업대학학보(자연과학판)
JOURNAL OF NANJING FORESTRY UNIVERSITY(NATURAL SCIENCE EDITION)
2014年
3期
35-39
,共5页
李婕%王忠%李永慈%盖钧镒%黄中文%邬荣领
李婕%王忠%李永慈%蓋鈞鎰%黃中文%鄔榮領
리첩%왕충%리영자%개균일%황중문%오영령
异速生长%功能作图%大豆生物量%QTL定位
異速生長%功能作圖%大豆生物量%QTL定位
이속생장%공능작도%대두생물량%QTL정위
allometric growth%functional mapping%soybean biomass%QTL mapping
异速生长是生物界被广泛研究的一个重要生长规律。为了揭示异速生长相关的QTL及一因多效性,考虑了生物生长过程的动态特性,并基于功能作图的框架,构造了一个解析异速生长关系的QTL定位模型。使用这个模型,对一个大豆重组自交系群体( RIL)的叶片生物量和总生物量的异速生长关系进行了分析,并在第24号连锁群上检测到一个影响这一异速生长关系的QTL,同时使用Logistic生长曲线,在此QTL区间内检测到了影响叶片动态生长的QTL。模拟实验结果发现,通过该算法可提高QTL定位的准确性,也能评估异速生长的生长指数等参数。
異速生長是生物界被廣汎研究的一箇重要生長規律。為瞭揭示異速生長相關的QTL及一因多效性,攷慮瞭生物生長過程的動態特性,併基于功能作圖的框架,構造瞭一箇解析異速生長關繫的QTL定位模型。使用這箇模型,對一箇大豆重組自交繫群體( RIL)的葉片生物量和總生物量的異速生長關繫進行瞭分析,併在第24號連鎖群上檢測到一箇影響這一異速生長關繫的QTL,同時使用Logistic生長麯線,在此QTL區間內檢測到瞭影響葉片動態生長的QTL。模擬實驗結果髮現,通過該算法可提高QTL定位的準確性,也能評估異速生長的生長指數等參數。
이속생장시생물계피엄범연구적일개중요생장규률。위료게시이속생장상관적QTL급일인다효성,고필료생물생장과정적동태특성,병기우공능작도적광가,구조료일개해석이속생장관계적QTL정위모형。사용저개모형,대일개대두중조자교계군체( RIL)적협편생물량화총생물량적이속생장관계진행료분석,병재제24호련쇄군상검측도일개영향저일이속생장관계적QTL,동시사용Logistic생장곡선,재차QTL구간내검측도료영향협편동태생장적QTL。모의실험결과발현,통과해산법가제고QTL정위적준학성,야능평고이속생장적생장지수등삼수。
Allometric growth has been widely studied as an important law in biology. In order to reveal allometric growth and its pleiotropism, a new model is proposed to map the QTL which is related to allometric growth based on the frame-work of functional mapping in this paper. Using this model, a soybean population of recombinant inbred lines ( RIL) is demonstrated to analyze the QTLs which affect allometric growth between leaf biomass and total weight. The QTLs in the 24th linkage groups detected by this model are testified by the Logistic model to find out pleiotropism. This extended model improves the accuracy of QTL mapping and estimate of the parameters of allometric growth by means of two mer-its, which the dynamic traits of biological growth processes are conceived and multiple time points in the experimental data are employed.