Low Nucleotide Sequence Variation in the Region of ITS1 of Para Rubber Tree (Hevea brasiliensis Muell. Arg.)

Authors

  • Numoi Chaisan
  • Chuta Boonphakdee

Abstract

Para rubber tree (Hevea brasiliensis Muell. Arg.) is an important economic crop of Thailand which currently is the world’s top exporter. However, the conventional morphological characterization of the para rubber tree requires specialists. This study aims to use molecular genetic analysis of the Internal Transcribed Spacer 1 (ITS1) region of ten para rubber cultivars by using Polymerase chain reaction (PCR) technique and sequencing as a cultivar DNA marker. The PCR products of all cultivars were 503 base pairs in length and size of the ITS1 region is 226 base pairs, with 0.88% difference (2/226) indicating low variation between cultivars. Therefore, the ITS1 region is not a suitable DNA marker for the para rubber tree identification at the cultivar level.Keywords : DNA marker, rubber tree, Internal Transcribed Spacer 1, ITS1, PCR

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Published

2017-07-25

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บทความวิจัยจากการประชุมวิชาการระดับชาติ"วิทยาศาสตร์วิจัย"ครั้งที่ 9