Results 61 to 70 of about 18,562 (160)

Effects of allatostatin on female reproduction in the greater wax moth, Galleria mellonella (Lepidoptera: Pyralidae)

Journal of Crop Protection, 2022
The present study investigated the effect of allatostatin (Ast) on the adult female reproductive system of the greater wax moth, Galleria mellonella (L.).
Azam Mikani
doaj  

The Drosophila Zinc Finger Transcription Factor Ouija Board Controls Ecdysteroid Biosynthesis through Specific Regulation of spookier.

PLoS Genetics, 2015
Steroid hormones are crucial for many biological events in multicellular organisms. In insects, the principal steroid hormones are ecdysteroids, which play essential roles in regulating molting and metamorphosis.
Tatsuya Komura-Kawa, Keiko Hirota, Yuko Shimada-Niwa, Rieko Yamauchi, MaryJane Shimell, Tetsuro Shinoda, Akiyoshi Fukamizu, Michael B O'Connor, Ryusuke Niwa   +8 more
doaj   +1 more source

Stress in dipteran insects mass‐reared for sterile insect technique applications

Insect Science, Volume 32, Issue 5, Page 1495-1523, October 2025.
The connections between biotic and abiotic stress affecting mass‐reared dipteran insects and the associated stress and immunological responses. Numbers indicate the order in which the topics are discussed in this review. Abstract Stress may be viewed as the disturbance of homeostasis of an organism.
Caroline K. Mirieri, Vera I.D. Ros, Adly M.M. Abd‐Alla, Monique M. van Oers   +3 more
wiley   +1 more source

Female-specific wing degeneration caused by ecdysteroid in the Tussock Moth, Orgyia recens: Hormonal and developmental regulation of sexual dimorphism

Journal of Insect Science, 2003
Females of the tussock moth Orgyia recens have vestigial wings, whereas the males have normal wings. During early pupal development, female wings degenerate drastically compared with those of males.
Saori Lobbia, Shuhei Niitsu, Haruhiko Fujiwara   +2 more
doaj  

Insulin signaling pathways in lepidopteran steroidogenesis

Frontiers in Physiology, 2014
Molting and metamorphosis are stimulated by the secretion of ecdysteroid hormones from the prothoracic glands. Insulin-like hormones have been found to enhance prothoracic gland activity, providing a mechanism to link molting to nutritional state.
Wendy eSmith, Anthony eLamattina, McKensie eCollins   +2 more
doaj   +1 more source

Effects of Methyl Farnesoate on the Growth and Antioxidant Capacity of Neocaridina denticulata

Antioxidants
Sesquiterpenoid hormones are widely present in arthropods and play crucial roles in growth, molting and reproduction. Methyl farnesoate (MF) functions similarly to juvenile hormone (JH) in crustaceans, playing a broad regulatory role in their growth and ...
Ying Chen, Xiaojuan Sun, Jiahao Du, Jingjie Hu, Zhenmin Bao, Zhe Qu   +5 more
doaj   +1 more source

Male Selenoprotein F-Like (SPF-L) Influences Female Reproduction and Population Growth in Nilaparvata lugens (Hemiptera: Delphacidae)

Frontiers in Physiology, 2019
Selenoproteins serve in anti-oxidant and cellular redox functions in almost all organisms. A recent study characterized a selenoprotein F-like (SPF-L) in the brown plant hopper’s (BPH), Nilaparvata lugens, male accessory glands (MAGs), raised the ...
LinQuan Ge, YongKai Zhou, HaoTian Gu, Qing Wu, Ze Zhou, Sui Zheng, David Stanley, QiSheng Song   +7 more
doaj   +1 more source

Ecdysteroid-dependent expression of the tweedle and peroxidase genes during adult cuticle formation in the honey bee, Apis mellifera.

PLoS ONE, 2011
Cuticle renewal is a complex biological process that depends on the cross talk between hormone levels and gene expression. This study characterized the expression of two genes encoding cuticle proteins sharing the four conserved amino acid blocks of the ...
Michelle P M Soares, Fernanda A Silva-Torres, Moysés Elias-Neto, Francis M F Nunes, Zilá L P Simões, Márcia M G Bitondi   +5 more
doaj   +1 more source

Ovarian ecdysteroid biosynthesis and female germline stem cells

Fly, 2017
The germline stem cells (GSCs) are critical for gametogenesis throughout the adult life. Stem cell identity is maintained by local signals from a specialized microenvironment called the niche.
Tomotsune Ameku, Yuto Yoshinari, Ruriko Fukuda, Ryusuke Niwa   +3 more
doaj   +1 more source

Practical uses for ecdysteroids in mammals including humans: An update

Journal of Insect Science, 2003
Ecdysteroids are widely used as inducers for gene-switch systems based on insect ecdysteroid receptors and genes of interest placed under the control of ecdysteroid-response elements. We review here these systems, which are currently mainly used in vitro
R. Lafont, L. Dinan
doaj