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Vol. 62, 2023
(update: 2023.9.22)
Mitophylogeny of Pangasiid
Catfishes and its Taxonomic Implications for Pangasiidae and the
Suborder Siluroidei
Thuy
Yen Duong1, Linh Thi Khanh Pham2,3, Xuyen Thi Kim Le2,3, Ngoc Tran Thi Nguyen1, Siti Azizah Mohd Nor4, and Thanh Hoa Le2,3,*
doi:-
1College
of Aquaculture and Fisheries, Can Tho University, 3/2 street, Can Tho
City, Vietnam. E-mail: thuyyen@ctu.edu.vn (Duong)
2Immunology
Department, Institute of Biotechnology (IBT), Vietnam Academy of
Science and Technology (VAST). 18. Hoang Quoc Viet Rd., Cau Giay,
Hanoi, Vietnam. *Correspondence: E-mail: imibtvn@gmail.com (Le)
E-mail: ntntran@ctu.edu.vn (Pham); lethikimxuyen71@gmail.com (Kim Le)
3Graduate
University of Science and Technology (GUST), Vietnam Academy of Science
and Technology (VAST), 18. Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
4Institute
of Marine Biotechnology, Universiti Malaysia Terengganu, 21030 Kuala
Nerus, Terengganu, Malaysia. E-mail: s.azizah@umt.edu.my (Nor)
(Received 2 May 2022 / Accepted 24
July 2023 / Published 22 September 2023)
Communicated by Ka Hou Chu
Pangasiidae (catfish order:
Siluriformes) comprises 30 valid catfish species in four genera: Pangasius, Pangasianodon, Helicophagus, and Pseudolais.
Their systematics is frequently revised due to the addition of newly
described species. Although Pangasiidae is known to be a monophyletic
family, the generic and phylogenetic relationships among the taxa are
poorly resolved. This study characterized three newly obtained complete
mitogenomes of Mekong River catfishes from Vietnam (Pangasius mekongensis, Pangasius krempfi, and Pangasianodon hypophthalmus),
as well as the inter- and intrafamilial relationships of the
Pangasiidae and catfish families in Siluroidei. The genomic features of
their mitogenomes were similar to those of previously reported
pangasiids, including all regulatory elements, extended terminal
associated sequences (ETAS), and conserved sequence blocks (CSBs)
(CSB-1, CSB-2, CSB-3, and CSBs, A to F) in the control region. A
comprehensive phylogeny constructed from datasets of multiple 13 PCG
sequences from 117 complete mitogenomes of 32 recognized siluriform
families established Pangasiidae as monophyletic and a sister group of
Austroglanididae. The [Pangasiidae + Austroglanididae] + (Ictaluridae +
Cranoglanididae) + Ariidae] clade is a sister to the “Big Africa” major
clade of Siluriformes. Furthermore, both phylogenies constructed from
the single barcodes (83 partial cox1
and 80 partial cytB,
respectively) clearly indicate genus relationships within Pangasiidae. Pangasianodon was monophyletic and
a sister to the (Pangasius + Helicophagus + Pseudolais) group. Within the genus
Pangasius, P. mekongensis was
placed as a sister taxon to P.
pangasius. Pangasius
sanitwongsei was found to be related to and grouped with
Pangasianodon, but in single-gene phylogenies, it was assigned to the Pangasius + Helicophagus + Pseudolais group. The datasets in
this study are useful for studying pangasiid systematics, taxonomy and
evolution.
Key words: Pangasius, Pangasianodon, Pangasiidae,
Mitogenomes, Mitophylogenetic analysis
Citation:
Duong TY, Pham LTK, Le XTK, Nguyen NTT, Nor SAM, Le TH. 2022.
Mitophylogeny of pangasiid catfishes and its taxonomic implications for
Pangasiidae and the suborder Siluroidei. Zool Stud 62:48.
Supplementary
materials: Fig.
S1丨Table S1丨Table S2 丨Table S3丨Table S4丨Table S5丨Table S6
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