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- Title
Transcriptome analysis of reproductive tract tissues of male river prawn Macrobrachium americanum.
- Authors
Martín-Manzo, Miriam Victoria; Morelos-Castro, Rosa María; Munguia-Vega, Adrian; Soberanes-Yepiz, Maritza Lourdes; Cortés-Jacinto, Edilmar
- Abstract
Background: The river prawn, Macrobrachium americanum (M. americanum), is one of the largest prawns of the genus in Latin America and is an amphidromous species distributed along the Pacific coast of America. This prawn has commercial value due to its size and taste, making it a good option for aquaculture production. Its culture has been attempted in ponds and concrete tanks, but no successful technique can still support commercial production. Understanding the mechanisms that regulate reproduction at the molecular level is very important. This knowledge can provide tools for manipulating transcripts, which could increase the number or size of animals in the culture. Our understanding of the mechanism that regulates the reproduction of M. americanum at the molecular level is limited. Aim: Perform and analyze the transcriptome assembly of the testes, vas deferens, and terminal ampulla of M. americanum. to provide new molecular information about its reproduction. Methods and Results: The cDNA library was constructed and sequenced for each tissue to identify novel transcripts. A combined transcriptome with the three tissues was assembled using Trinity software. Unigenes were annotated using BLASTx and BLAST2GO. The transcriptome assembly generated 1,059,447 unigenes, of which 7222 genes had significant hits (e-value < 1 × 10–5) when compared against the Swiss-Prot database. Around 75 genes were related to sex determination, testis development, spermatogenesis, spermiogenesis, fertilization, maturation of testicular cells, neuropeptides, hormones, hormone receptors, and/or embryogenesis. Conclusions: These results provide new molecular information about M. americanum reproduction, representing a reference point for further genetic studies of this species.
- Subjects
AMERICA; SPERMATOGENESIS; MACROBRACHIUM; MALE reproductive organs; SEX determination; TRANSCRIPTOMES; VAS deferens; FERTILIZATION in vitro
- Publication
Molecular Biology Reports, 2024, Vol 51, Issue 1, p1
- ISSN
0301-4851
- Publication type
Article
- DOI
10.1007/s11033-023-09125-6