Results 41 to 50 of about 1,174 (215)

POU-M2 promotes juvenile hormone biosynthesis by directly activating the transcription of juvenile hormone synthetic enzyme genes in Bombyx mori

open access: yesOpen Biology, 2022
Juvenile hormone (JH) plays a key role in preventing larval precocious metamorphosis, maintaining larval state, controlling adult sexual development and promoting insect egg maturation.
Rui Cai   +5 more
doaj   +1 more source

Specificity of the juvenile hormone binding protein: The geometrical isomers of juvenile hormone I [PDF]

open access: yesProceedings of the National Academy of Sciences, 1978
The binding of the geometrical isomers (≥99% pure) of juvenile hormone I to the hemolymph juvenile hormone binding protein of Manduca sexta (Lepidoptera, Sphingidae) was analyzed. A technique is described for isomer separation by micropreparative high-resolution liquid chromatography ...
W, Goodman, D A, Schooley, L I, Gilbert
openaire   +2 more sources

Functional Sex Reversal in Adult Gonochoristic Teleosts is Mediated by Ovarian Germline Stem Cell Plasticity and Somatic Cell Transdifferentiation

open access: yesAdvanced Science, EarlyView.
Oocytes play crucial roles in maintaining ovarian fate in adult gonochoristic fish. Targeted oocyte ablation with aromatase inhibition triggers the activation of surviving germline stem cells and the transdifferentiation of somatic cells from granoulosa/theca to Sertoli/Leydig lineages, inducing a complete and functional female‐to‐male sex reversal ...
Yang Yang   +6 more
wiley   +1 more source

Fertility differences between two wild-type Drosophila melanogaster lines correlate with differences in the expression of the Jheh gene, which codes for an enzyme degrading juvenile hormone

open access: yesВавиловский журнал генетики и селекции
Juvenile hormone plays a “status quo” role in Drosophila melanogaster larvae, preventing the untimely metamorphosis, and performs a gonadotropic function in imagoes, ensuring the ovaries’ preparedness for vitellogenesis.
O. V. Andreenkova   +3 more
doaj   +1 more source

Control of Drosophila Growth and Survival by the Lipid Droplet-Associated Protein CG9186/Sturkopf

open access: yesCell Reports, 2019
Summary: Lipid droplets (LDs) are the universal cellular storage organelles for esterified neutral lipids. The increasing number of characterized LD-associated proteins attained LDs with hitherto unexpected functions on top of their classical role as ...
Michael Werthebach   +10 more
doaj   +1 more source

Streamlining Diagnosis of Bardet–Biedl Syndrome: New Diagnostic Algorithm With Updated Criteria

open access: yesAmerican Journal of Medical Genetics Part A, EarlyView.
ABSTRACT Considerable advances have been made in our understanding of Bardet–Biedl syndrome (BBS), particularly in its core clinical features and molecular genetics, warranting an update to the existing diagnostic criteria framework. Using a rigorous, evidence‐based, and consensus‐driven process, a multidisciplinary group of international experts and ...
Jeremy J. Pomeroy   +16 more
wiley   +1 more source

Age‐associated immune dysregulation links to disease severity in macrolide‐resistant Mycoplasma pneumoniae pneumonia: Insights from a comparative juvenile–adult mouse model

open access: yesAnimal Models and Experimental Medicine, EarlyView.
Macrolide‐resistant Mycoplasma pneumoniae (MRMP) infected both juvenile and adult mice, with results compared to normal juvenile mice. The findings revealed comparable bacterial loads between juvenile and adult mice, yet juvenile mice exhibited more severe lung damage and elevated levels of inflammatory cytokines.
Xuejun Li   +12 more
wiley   +1 more source

Effects of juvenile hormone and ecdysone on the timing of vitellogenin appearance in hemolymph of queen and worker pupae of Apis mellifera

open access: yesJournal of Insect Science, 2002
The caste-specific regulation of vitellogenin synthesis in the honeybee represents a problem with many yet unresolved details. We carried out experiments to determine when levels of vitellogenin are first detected in hemolymph of female castes of Apis ...
Angel Roberto Barchuk   +2 more
doaj  

Evaluation of therapeutic effects of D‐limonene following orchiopexy in the rat model of cryptorchidism

open access: yesAnimal Models and Experimental Medicine, EarlyView.
D‐limonene supplementation enhances testicular recovery following orchiopexy in a rat model of bilateral cryptorchidism. Treatment with D‐limonene reduces oxidative stress (↓MDA, ↑SOD, ↑GPx, ↑TAC), downregulates pro‐apoptotic proteins (↓TNF‐α, ↓BAX, ↓Caspase‐3), and upregulates anti‐apoptotic Bcl‐2 expression.
Arman Norouzi‐Ghalehbala   +6 more
wiley   +1 more source

Transport of lipids in insects

open access: yesJournal of Lipid Research, 1974
Many insect species are almost completely dependent on lipids for their metabolic needs, although this is usually a function of developmental stage. The primary storage organ is the fat body, which can constitute 50% of the fresh weight of the insect and
Lawrence I. Gilbert, Haruo Chino
doaj   +1 more source

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