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Phylogenetic relationships among 20 Australian species of the family Percichthyidae were investigated from sequence data of two portions of the mitochondrial 12S rRNA gene. The molecular data indicate that Australian genera within this family cluster into three distinct clades. The first clade is composed of some species currently ascribed to the genus(More)
Myostatin (MSTN) and growth differentiation factor-11 (GDF11) are closely related proteins involved in muscle cell growth and differentiation as well as neurogenesis of vertebrates. Both MSTN and GDF11 negatively regulate their functions. Invertebrates possess a single ortholog of the MSTN/GDF11 family. In order to understand the role of MSTN/GDF11 in(More)
The silver-lipped pearl oyster, Pinctada maxima, is an important tropical aquaculture species extensively farmed for the highly sought "South Sea" pearls. Traditional breeding programs have been initiated for this species in order to select for improved pearl quality, but many economic traits under selection are complex, polygenic and confounded with(More)
Gamete cryopreservation techniques have been applied to several bivalve mollusc species. However, research activity in this area has primarily focused on cryopreserving gametes from edible oysters (Ostreiidae). Few studies have examined the effect of cryoprotectants and freezing protocols in the preservation of spermatozoa from cultured pearl oysters(More)
Gene or genome duplication is a fundamental evolutionary mechanism leading towards the origin of new genes, or gene functions. Myostatin (MSTN) is a negative regulator of muscle growth that in teleost fish, as a result of genome duplication, is present in double copy. This study provides evidence of differentiation of MSTN paralogs in fish by comparatively(More)
Commonly used normalization approaches for quantitative reverse transcription polymerase chain reaction analyses include (a) input nucleic acids standardization (ΔC (q) method), (b) normalizing target gene transcript abundance against a single internal reference gene (ΔΔC (q) method), and (c) geometric averaging of multiple reference gene abundance using(More)
BACKGROUND Myostatin (MSTN) is a member of the transforming growth factor-beta superfamily that negatively regulates growth of skeletal muscle tissue. The gene encoding for the MSTN peptide is a consolidate candidate for the enhancement of productivity in terrestrial livestock. This gene potentially represents an important target for growth improvement of(More)
In this study, microsatellite markers were developed for the genetic linkage mapping and breeding program of the black tiger shrimp Penaeus monodon. A total of 997 unique microsatellite-containing expressed sequence tags (ESTs) were identified from 10 100 EST sequences in the P. monodon EST database. AT-rich microsatellite types were predominant in the EST(More)
Molecular stock improvement techniques such as marker assisted selection have great potential in accelerating selective breeding programmes for animal production industries. However, the discovery and application of trait/marker associations usually requires a large number of genome-wide polymorphic loci. Here, we present 2322 unique microsatellites for the(More)
We report here the ~670 Mb genome assembly of the Asian seabass (Lates calcarifer), a tropical marine teleost. We used long-read sequencing augmented by transcriptomics, optical and genetic mapping along with shared synteny from closely related fish species to derive a chromosome-level assembly with a contig N50 size over 1 Mb and scaffold N50 size over 25(More)