Results 41 to 50 of about 4,809 (206)

First record of Mnemiopsis leidyi A. Agassiz 1865 in the Baltic Sea [PDF]

open access: yes, 2006
The invasive ctenophore Mnemiopsis leidyi was first recorded in the Kiel Bight (western Baltic Sea) on 17 October 2006 during a regular weekly sampling program. The M.
Javidpour, Jamileh   +2 more
core   +1 more source

Discovery, prevalence, and persistence of novel circular single-stranded DNA viruses in the ctenophores Mnemiopsis leidyi and Beroe ovata

open access: yesFrontiers in Microbiology, 2015
Gelatinous zooplankton, such as ctenophores and jellyfish, are important components of marine and brackish ecosystems and play critical roles in aquatic biogeochemistry.
Mya eBreitbart   +14 more
doaj   +1 more source

Horizontally transferred genes in the ctenophore Mnemiopsis leidyi [PDF]

open access: yesPeerJ, 2018
Horizontal gene transfer (HGT) has had major impacts on the biology of a wide range of organisms from antibiotic resistance in bacteria to adaptations to herbivory in arthropods. A growing body of literature shows that HGT between non-animals and animals
Alexandra M. Hernandez, Joseph F. Ryan
doaj   +2 more sources

Multiple Sox genes are expressed in stem cells or in differentiating neuro-sensory cells in the hydrozoan Clytia hemisphaerica [PDF]

open access: yes, 2011
Background The Sox genes are important regulators of animal development belonging to the HMG domain-containing class of transcription factors. Studies in bilaterian models have notably highlighted their pivotal role in controlling progression along cell ...
Muriel Jager   +3 more
core   +2 more sources

KEY ELEMENTS OF A SIMULATION MODEL OF HYDROLOGICAL FACTORSOF THE NORTHERN CASPIAN AS ENVIRONMENT HABITAT OF THE СTENOPHORA POPULATION MNEMIOPSIS LEIDY

open access: yesЮг России: экология, развитие, 2014
Analysis of environmental situation in the Caspian and other basins (the Azov and Black Sea ones) showed that the development of an adequate simulation model of hydrological factors in the Northern Caspian as Mnemiopsis leidyi habitat was impossible ...
A. M. Kamakin   +2 more
doaj   +1 more source

Vallicula multiformis Rankin, 1956 (Ctenophora, Platyctenida): first record from the Indian Ocean [PDF]

open access: yesCheck List, 2015
The benthic ctenophore Vallicula multiformis Rankin, 1956 is recorded for the first time in the Arabian Sea, from the Gulf of Kutch, west coast of India in March 2013.
Amruta Prasade   +3 more
doaj   +3 more sources

Genomic organization, evolution, and expression of photoprotein and opsin genes in Mnemiopsis leidyi: a new view of ctenophore photocytes

open access: yesBMC Biology, 2012
Background Calcium-activated photoproteins are luciferase variants found in photocyte cells of bioluminescent jellyfish (Phylum Cnidaria) and comb jellies (Phylum Ctenophora).
Schnitzler Christine E   +14 more
doaj   +1 more source

Alternative conditions of mass appearance of the scyphozoan jellyfish, Aurelia aurita (Linnaeus, 1758), and the ctenophore, Pleurobrachia pileus (O.F. Muller, 1776), in plankton of the Black Sea

open access: yesЮг России: экология, развитие, 2020
Aim. The aim of the study is to find out what external factors may be the driving force behind the growth and population dynamics of two ecologically similar species of gelatinous macroplankton (scyphomedusa Aurelia aurita and ctenophore Pleurobrachia ...
B. E. Anninsky   +2 more
doaj   +1 more source

Calcisponges have a ParaHox gene and dynamic expression of dispersed NK homeobox genes [PDF]

open access: yes, 2014
This study was funded by the Sars Centre core budget to M. Adamska. Sequencing was performed at the Norwegian High Throughput Sequencing Centre funded by the Norwegian Research Council. O.M.R. and D.E.K.F.
A Saudemont   +27 more
core   +2 more sources

The impacts of biological invasions

open access: yesBiological Reviews, EarlyView.
ABSTRACT The Anthropocene is characterised by a continuous human‐mediated reshuffling of the distributions of species globally. Both intentional and unintentional introductions have resulted in numerous species being translocated beyond their native ranges, often leading to their establishment and subsequent spread – a process referred to as biological
Phillip J. Haubrock   +42 more
wiley   +1 more source

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