Results 51 to 60 of about 6,694 (212)

Vitellogenesis in the Penaeid Prawn Metapenaeus dobsoni (Miers) [PDF]

open access: yes, 1996
The process of vitellogenesis in the penaeid prawn Metapenaeus dohsoni (Miers) was studied histologically. The vitellogenesis could be broadly differentiated into 5 stages viz..
Vasudevappa, C, Suseelan, C
core  

Inhibitory Role of the Mud Crab Short Neuropeptide F in Vitellogenesis and Oocyte Maturation via Autocrine/Paracrine Signaling

open access: yesFrontiers in Endocrinology, 2018
Neuropeptides, in addition to their classical role in the nervous system, act on intraovarian factors to regulate reproductive functions in vertebrates. However, this function of neuropeptides has not been characterized in crustaceans. Short neuropeptide
Chenchang Bao   +4 more
doaj   +1 more source

Weaponry Investment in the Socially Monogamous Snapping Shrimp Alpheus brasileiro (Decapoda: Alpheidae)

open access: yesActa Zoologica, EarlyView.
ABSTRACT Weapons are morphological structures used by animals in various contexts, especially in intra‐specific contests and visual displays. In snapping shrimps of the genus Alpheus, particularly the monogamous species Alpheus brasileiro, both sexes bear enlarged chelipeds, potentially conferring advantages in mate competition or territorial defence ...
Leonardo Moreira   +3 more
wiley   +1 more source

Genetic components of vitellogenesis in C. sonorensis.

open access: yes, 2014
Genetic components of vitellogenesis in C. sonorensis.
Dana Nayduch (42457)   +2 more
core   +1 more source

Compromised DNA replication in gut cells underlies sensitivity to genotoxic stress in the tardigrade Hypsibius exemplaris

open access: yesThe FEBS Journal, EarlyView.
DNA damage in the tardigrade Hypsibius exemplaris elicits distinct cellular outcomes depending on replication status. While non‐replicating cells tolerate genotoxic stress, constitutively replicating cells undergo irreversible replication failure upon DNA damage, leading to loss of tissue homeostasis, fat depletion, sterility, and organismal death ...
Gonzalo Quiroga‐Artigas   +4 more
wiley   +1 more source

Vitellogenesis in the deep-sea shark Centroscymnus coelolepis

open access: yes, 2006
At present, information on the reproductive physiology of Centroscymnus coelolepis, which is one of most important and widespread deep-sea shark species, is completely lacking. In this study, we investigated vitellogenesis, a key step in the reproduction
Tosti L.   +6 more
core   +1 more source

Full-Length Transcriptome Sequencing and Comparative Transcriptomic Analysis Provide Insights Into the Ovarian Maturation of Exopalaemon carinicauda

open access: yesFrontiers in Marine Science, 2022
The ridgetail white shrimp Exopalaemon carinicauda has the potential to be used as a useful experimental organism in the field of crustacean research due to its transparent body, large egg, and short reproductive cycle. However, little is known about the
Jiajia Wang   +7 more
doaj   +1 more source

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

open access: yesJournal 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   +2 more
wiley   +1 more source

Vitellogenesis of the digenean Plagiorchis elegans (Rudolphi, 1802) (Plagiorchioidea, Plagiorchiidae).

open access: yes, 2014
International audienceThe ultrastructural organization of vitellogenesis of Plagiorchis elegans (Rudolphi, 1802), experimentally obtained from the golden hamster Mesocricetus auratus (Linnaeus, 1758), is described using transmission electron microscopy ...
Marchand, Bernard   +6 more
core   +1 more source

Effect of dietary cholesterol on ovarian development of Chinese mitten crabs (Eriocheir sinensis)

open access: yesFrontiers in Marine Science, 2022
This study was conducted to evaluate the effect of cholesterol (CHO) on ovarian development of Eriocheir sinensis through a feeding trial. Crabs (average weight 43.35 ± 0.05 g) were randomly fed with one of three diets: 0% CHO, 0.4% CHO and 1.6% CHO for ...
Huixing Guo   +11 more
doaj   +1 more source

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