Morphological and molecular characterization of Tatera indica Hardwicke 1807 (Rodentia: Muridae) from Pothwar, Pakistan
2022
Khalid, Amber | Kayani, Amjad Rashid | Nadeem, Muhammad Sajid | Mushtaq, Muhammad | Beg, Mirza Azhar
Genus Tatera is comprised of 12 species, but only one species, Tatera indica, exists in Asia. T. indica is considered an agricultural pest and host of a few zoonotic diseases. However, the data on morphological characteristics are published, but the aspect of molecular characterization is lacking to confirm the status of subspecies in most of the Asian countries including Pakistan. Therefore, the present study is the first study on morphological and molecular characterization of T. indica to get a phylogenetic relationship with the population of T. indica in Pakistan. Almost all the morphometric, cranial, and dental values of T. indica were lower in the present study as compared to the specimen from Iran, Syria, and Turkey. The molecular analysis indicated the presence of sub-species of T. indica. Interestingly, the cytochrome b gene sequence showed more resemblance to the Iranian rat than the previously reported sequence of a Pakistani T. indica. Iran shares a border with Pakistan, and migration between the two countries could be a possible reason. The resembling morphometric data on Iranian rats also explain this phenomenon. The present study found, although minor, evidence of the presence of sub-species even within Pakistan. Unfortunately, the previously submitted sequence from Pakistan was not supplemented with morphometric data and the exact capturing site of the rat. Therefore, further molecular and morphometric data from other regions are required to confirm the presence of sub-species.
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