Results 61 to 70 of about 5,277 (217)

Skrjabinelazia rizzoi n. sp. (Nematoda: Seuratoidea) from a Sicilian lacertid, with comments on specific and biological diversity in the genus

Parasite, 2008
Skrjabinelazia rizzoi n. sp. (Seuratoidea), from Podarcis sicula captured at Cammarata, Agrigento Province, Sicily, is distinct from the 13 known species of the genus, including Skrjabinelazia sp. Rizzo from Catania.
Lhermitte N., Bain O., Virga A.
doaj   +1 more source

Primordial Germ Cell Development in the Poeciliid, Gambusia holbrooki, Reveals Shared Features Between Lecithotrophs and Matrotrophs

Frontiers in Cell and Developmental Biology, 2022
Metazoans exhibit two modes of primordial germ cell (PGC) specification that are interspersed across taxa. However, the evolutionary link between the two modes and the reproductive strategies of lecithotrophy and matrotrophy is poorly understood.
Komeil Razmi, Jawahar G. Patil
doaj   +1 more source

Occurrence of multiple congenital anomalies in Potamotrygon amandae (Elasmobranchii, Potamotrygoninae) embryos, including the first report of bicephaly

Journal of Fish Biology, EarlyView.
Abstract Reports of teratogenic embryos in elasmobranchs have been documented in multiple species, with proposed aetiologies including environmental disturbances, genetic mutations, predation, exposure to endocrine‐disrupting compounds and maternal stress.
Douglas de Castro Ribeiro, Raquel Lopes Queiroz, Cristiéle da Silva Ribeiro   +2 more
wiley   +1 more source

Bony fish genomes: Status and gaps

Journal of Fish Biology, EarlyView.
Abstract Bony fish constitute an exceptionally species‐rich group of aquatic vertebrates, comprising more than 95% of all living fish. The adaptive processes on the diversity of environments they inhabit make them a highly diverse group from taxonomic, morphological and evolutionary standpoints.
Noelia Pérez‐Pereira, Carmen Bouza, Paulino Martínez, Diego Robledo   +3 more
wiley   +1 more source

Asymmetric paternal effect on offspring size linked to parent-of-origin expression of an insulin-like growth factor [PDF]

, 2017
Research was supported by PAPIIT grant IN216111 (CMG), CONACyT PhD scholarship 351769 (YSL), and the Howard Hughes International Research Program (JPVC).Sexual reproduction brings together reproductive partners whose long-term interests often differ ...
Abrahamson, Alleman, Arnqvist, Barlow, Blackburn, Brandvain, Burley, Burley, Chapman, Cohick, Constância, Crespi, De Gasperin, DeChiara, DeChiara, Gesundheit, Gil, González Zuarth, González-Forero, Griggio, Haldane, Hendrich, Hollenberg, Juhua, Keller, Killian, Killian, Kornfeld, Lau, Lawton, Lawton, Lim, Lombardi, Lombardi, Macías Garcia, Macías Garcia, Macías-Garcia, Moore, Murrell, Méndez, Nolan, O'Neill, O'Neill, Oldroyd, Ortíz-Barrientos, Parker, Parker, Reik, Reznick, Rice, Ritchie, Rogers, Rowe, Sambrook, Schindler, Schrader, Schrader, Schrader, Schrader, Shikano, Shull, Stearns, Templeton, Trexler, Trivers, Trivers, Webb, Wilkins, Wolf, Wolf, Wolf, Wourms, Xie, Yuan   +73 more
core   +1 more source

ON HERMAPHRODITISM IN VIVIPAROUS OPHIURIDS [PDF]

Acta Zoologica, 1920
n ...
openaire   +1 more source

Morphogenesis of propagules in viviparous species Bryophyllum daigremontianum and B. calycinum

Acta Societatis Botanicorum Poloniae, 2014
The propagule development in two viviparous Bryophyllum species: B. daigremontianum and B. calycinum (Crassulaceae) has been found to proceed via embryoidogenesis (somatic embryo).
T. B. Batygina, E. A. Bragina, G. E. Titova   +2 more
doaj   +1 more source

Developmental expression of Ap‐Vas proteins in aphids and flies reveals their evolutionary roles in insects

Insect Molecular Biology, Volume 35, Issue 3, Page 217-231, June 2026.
Duplication of vas genes is universally observed in aphids, and phylogenetic analysis indicates that this event predates the divergence of Aphididae and Phylloxeridae. Ap‐vas1 is germline‐specific, whereas Ap‐vas2–4 exhibit somatic expression, indicating functional divergence during aphid embryogenesis.
Gee‐Way Lin, Szu‐Chieh Wang, Charles E. Cook, Ming‐Der Lin, Chun‐che Chang   +4 more
wiley   +1 more source

Plant‐Derived Treatments for Monogenean Parasites in Farmed Fish: A Systematic Review and Meta‐Analysis

Reviews in Aquaculture, Volume 18, Issue 3, June 2026.
ABSTRACT Monogeneans are among the most problematic ectoparasites in finfish aquaculture. Plant‐derived compounds have been widely explored as therapeutic agents, yet their efficacy and safety have not been quantitatively synthesized across studies. This study provides a meta‐analysis of plant‐based treatments against monogeneans, integrating 453 in ...
Francisco Neptalí Morales‐Serna
wiley   +1 more source

The Animal Sexes as Historical Explanatory Kinds [PDF]

, 2020
Though biologists identify individuals as ‘male’ or ‘female’ across a broad range of animal species, the particular traits exhibited by males and females can vary tremendously.
Franklin-Hall, Laura
core   +1 more source