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Ribosomal DNA internal transcribed spacer 2 sequence analysis and phylogenetic comparison of seven cockroach species in northwestern Iran.


ABSTRACT: OBJECTIVES:The current study was conducted to identify cockroach species (Blattodea) of northwestern Iran in public places using morphological characteristics and ribosomal DNA internal transcribed spacer 2 (rDNA-ITS2). Sequences were analyzed with Basic Local Alignment Search Tool (BLAST) searches, Neighbor-Joining methods based on and Tamura-Nei phylogenetic analyses. In addition, eight cockroach rDNA-ITS2 sequences from China, India, Iran and the United States obtained from GenBank were compared to those obtained in this study. RESULTS:Specimens collected in Iran were identified as Periplaneta americana (L.), Shelfordella lateralis (Walker), Blatta orientalis (L.) (Blattodea: Blattidae), Blattella germanica (L.), Supella longipalpa (F.) (Blattodea: Ectobiidae), Polyphaga aegyptiaca (L.), and Polyphaga saussurei (Dohrn) (Blattodea: Corydiidae). rDNA-ITS2 nucleotide sequence analysis showed 100% similarity between P. aegyptiaca and P. saussurei species collected from Iran despite morphological differences. However, ITS2 sequence of P. americana submitted from China showed 30.49-31.71% difference to P. americana sequences from Iran and the United States. The results highlight the importance of morphological identification of cockroach species before conducting molecular techniques.

SUBMITTER: Farmani M 

PROVIDER: S-EPMC6343322 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature

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Ribosomal DNA internal transcribed spacer 2 sequence analysis and phylogenetic comparison of seven cockroach species in northwestern Iran.

Farmani Mostafa M   Basseri Hamidreza H   Norouzi Behzad B   Gholizadeh Saber S  

BMC research notes 20190123 1


<h4>Objectives</h4>The current study was conducted to identify cockroach species (Blattodea) of northwestern Iran in public places using morphological characteristics and ribosomal DNA internal transcribed spacer 2 (rDNA-ITS2). Sequences were analyzed with Basic Local Alignment Search Tool (BLAST) searches, Neighbor-Joining methods based on and Tamura-Nei phylogenetic analyses. In addition, eight cockroach rDNA-ITS2 sequences from China, India, Iran and the United States obtained from GenBank we  ...[more]

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