Results 41 to 50 of about 1,744 (191)

Molecular analysis of phylogeographic subspecies in three Ponto-Caspian sturgeon species

open access: yesGenetics and Molecular Biology, 2014
Sturgeons (Order Acipenseriformes) represent an extremely valuable natural resource that is now facing depletion. In the current study we evaluate if the traditional classification in subspecies of Acipenser gueldenstaedtii, Acipenser stellatus and Huso ...
Andreea Dudu   +2 more
doaj   +1 more source

The effect of short-term starvation on some physiological and morphological parameters in juvenile Siberian sturgeon, Acipenser baerii (Actinopterygii: Acipenseriformes: Acipenseridae) [PDF]

open access: yesActa Ichthyologica et Piscatoria, 2013
Background. Fish may experience periods of food deprivation or starvation in nature and under culture conditions. Because of the wild  stock reduction of some sturgeon species, Siberian sturgeon, Acipenser baerii Brandt, 1869, has been used as a
Gh. Ashouri   +6 more
doaj   +3 more sources

Anesthetic protocol for microinjection-related handling of Siberian sturgeon (Acipenser baerii; Acipenseriformes) prolarvae.

open access: yesPLoS ONE, 2018
An anesthetic protocol was optimized for microinjection-related handling of Siberian sturgeon (Acipenser baerii; Acipenseriformes) prolarvae, an extant primitive fish species commonly grown in aquaculture.
Eun Jeong Kim, Yoon Kwon Nam
doaj   +1 more source

Efficient Gene Transfer and Gene Editing in Sterlet (Acipenser ruthenus)

open access: yesFrontiers in Genetics, 2018
The sturgeon (Acipenseriformes) is an important farmed species because of its economical value. However, neither gene transfer nor gene editing techniques have been established in sturgeon for molecular breeding and gene functional study until now.
Ji Chen   +9 more
doaj   +1 more source

A Nuclear DNA Perspective on Delineating Evolutionarily Significant Lineages in Polyploids: The Case of the Endangered Shortnose Sturgeon (Acipenser brevirostrum) [PDF]

open access: yes, 2014
The shortnose sturgeon, Acipenser brevirostrum, oft considered a phylogenetic relic, is listed as an “endangered species threatened with extinction” in the US and “Vulnerable” on the IUCN Red List. Effective conservation of A.
Aunins, Aaron W.   +6 more
core   +4 more sources

Phylogenetic perspective on the relationships and evolutionary history of the Acipenseriformes

open access: yesGenomics, 2020
The Acipenseriformes, as one of the earliest extant vertebrates, plays an important role in the evolution of fishes and even the whole vertebrates. Here we collected and analyzed all complete mitochondrial genomes of Acipenseriformes species. Phylogenetic analyses demonstrated that the polytomous branch included Acipenseridae and Polyodontidae formed ...
Yanjun, Shen   +4 more
openaire   +2 more sources

Efficacy of a sensory deterrent and pipe modifications in decreasing entrainment of juvenile green sturgeon (Acipenser medirostris) at unscreened water diversions. [PDF]

open access: yes, 2014
Water projects designed to extract fresh water for local urban, industrial and agricultural use throughout rivers and estuaries worldwide have contributed to the fragmentation and degradation of suitable habitat for native fishes.
Bandeh, Hossein   +7 more
core   +1 more source

Beyond mammals: the evolution of chewing and other forms of oropharyngeal food processing in vertebrates

open access: yesBiological Reviews, EarlyView.
ABSTRACT Oropharyngeal food processing exhibits a remarkable diversity among vertebrates, reflecting the evolution of specialised ‘processing centres’ associated with the mandibular, hyoid, and branchial arches. Although studies have detailed various food‐processing strategies and mechanisms across vertebrates, a coherent and comprehensive terminology ...
Daniel Schwarz   +6 more
wiley   +1 more source

Current occurrence of the Atlantic Sturgeon Acipenser oxyrinchus in Northern Spain: a new prospect for Sturgeon conservation in Western Europe [PDF]

open access: yes, 2015
Acipenser oxyrinchus is considered extirpated in Europe, but numerous breeding populations still exist on the Atlantic coast of North America. An adult female A.
Almodóvar Pérez, Ana María   +3 more
core   +2 more sources

Dental development in the tropical gar (Atractosteus tropicus) and the evolution of vertebrate dentitions

open access: yesDevelopmental Dynamics, EarlyView.
Abstract Background Dentitions have diversified enormously during vertebrate evolution, involving reductions, modifications, or allocations to prey seizing and processing regions. A combination of ancient and novel features related to dental and oropharyngeal apparatuses is found in extant lineages of non‐teleost fishes, such as the gars.
Anna Pospisilova   +4 more
wiley   +1 more source

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