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Stability and Stabilization Luc Moreau and Dirk Aeyels Abstract—We present a practical stability result for dynamical systems depending on a small parameter. This result is applied to a practical stability analysis of fast time-varying systems studied in

By Xusheng Wang, Y Xiangqian Zhao, Y Jun Zhu and Weiren Wu


Intron length polymorphisms (ILPs) have been used as genetic markers in some studies. However, a systematic investigation and large-scale exploitation of ILP markers has not been reported. In this study, we performed a genome-wide search of ILPs between two subspecies (indica and japonica) inrice using the draft genomic sequences of cultivars 93-11 (indica) and Nipponbare (japonica) and 32 127 fulllength cDNA sequences of Nipponbare obtained from public databases. We identified 13 308 putative ILPs. Based on these putative ILPs, we developed 5811 candidate ILP markers via electronic-PCR with primers designed in flanking exons. We further conducted experiment to verify the candidate ILP markers. Out of 215 candidate ILP markers tested on 93-11, Nipponbare and their hybrid, we successfully exploited 173 codominant ILP markers. Further analyses on 10 rice accessions showed that these ILP markers were widely applicable and most (71.1%) exhibited subspecies specificity. This feature suggests that ILPs would be useful for the studies of genome evolution and inter-subspecies heterosis and for cross-subspecies marker-assisted selection in rice. In addition, by testing 51 pairs of the ILP primers on five Gramineae plants and three dicot plants, we found another desirable characteristic of rice ILP markers that they have high transferability to other plants. Key words: rice (Oryza sativa L.); intron length polymorphism (ILP); molecular marker; genome 1

Year: 2005
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