Results 21 to 30 of about 110,578 (299)

Transcriptomes of parents identify parenting strategies and sexual conflict in a subsocial beetle [PDF]

open access: yes, 2015
This work was funded by UK NERC grants to M.G.R. and A.J.M. an NERC studentship to D.J.P. the University of Georgia and a US NSF grant to A.J.M. and M.G.R.Parenting in the burying beetle Nicrophorus vespilloides is complex and, unusually, the sex and ...
Cunningham, Christopher B.   +8 more
core   +3 more sources

Effect of precocene II, ecdysone and juvenile Hormone on the glicogen concentration in pupae of Stomocys calcitram (Diptera muscidae)

open access: yesMemorias do Instituto Oswaldo Cruz, 1988
Third instar larvae of Stomoxys calcitrans (L.) were treated with precocene II, ecdysone and juvenile hormone. The larvae were allowed to develop until pupation and when it occurred, determination of glycogen levels was assayed.
M. L. M. Garcia   +2 more
doaj   +1 more source

Sustainable use and conservation of Vitex doniana Sweet: unlocking the propagation ability using stem cuttings [PDF]

open access: yes, 2015
One of the major constraints for domesticating widely used wild tree resources by local communities is the lack of adequate propagation techniques.
Achigan-Dako, E.G.   +6 more
core   +1 more source

Skeletal manifestations of juvenile hypothyroidism and the impact of treatment on skeletal system

open access: yesIndian Journal of Endocrinology and Metabolism, 2013
Thyroid hormone mediates growth and development of the skeleton through its direct effects and through its permissive effects on growth hormone. The effect of hypothyroidism on bone is well described in congenital hypothyroidism, but the impact of ...
Manish Gutch   +5 more
doaj   +1 more source

Juvenile Hormone Induction of Esterases: A Mechanism for the Regulation of Juvenile Hormone Titer [PDF]

open access: yesProceedings of the National Academy of Sciences, 1972
Within a few hours after injection of juvenile hormone into Hyalophora gloveri pupae, several fast-migrating carboxylesterases (EC 3.1.1.1) that are sensitive to di iso propylfluorophosphate appear in the hemolymph.
D, Whitmore, E, Whitmore, L I, Gilbert
openaire   +2 more sources

Defining behavioral and molecular differences between summer and migratory monarch butterflies

open access: yesBMC Biology, 2009
Background In the fall, Eastern North American monarch butterflies (Danaus plexippus) undergo a magnificent long-range migration. In contrast to spring and summer butterflies, fall migrants are juvenile hormone deficient, which leads to reproductive ...
Kanginakudru Sriramana   +4 more
doaj   +1 more source

Reconstruction of insect hormone pathways in an aquatic firefly, Sclerotia aquatilis (Coleoptera: Lampyridae), using RNA-seq [PDF]

open access: yesPeerJ, 2019
Insect hormones: ecdysteroids and juvenile hormones have crucial functions during the regulation of different developmental pathways in insects. Insect metamorphosis is one of the primary pathways regulated by these hormones.
Pornchanan Chanchay   +3 more
doaj   +2 more sources

Evaluation of the susceptibility of the pea aphid, Acyrthosiphon pisum, to a selection of novel biorational insecticides using an artificial diet [PDF]

open access: yes, 2009
An improved technique was developed to assay the toxicity of insecticides against aphids using an artificial diet. The susceptibility of the pea aphid Acyrthosiphon pisum (Harris) (Hemiptera: Aphidoidea) was determined for a selection of novel ...
Sadeghi, Amin   +2 more
core   +2 more sources

Sex-change chemicals and their influence on the brain. [PDF]

open access: yes, 2001
The potential for man-made chemicals to mimic or antagonise natural hormones is a controversial issue, but one for which increasing amounts of evidence are being gathered worldwide.
Harris, CA
core   +3 more sources

Trade-offs between personal immunity and reproduction in the burying beetle, N. vespilloides [PDF]

open access: yes, 2014
We know that parental investment and immune investment are costly processes, but it is unclear which trait will be prioritised when both may be required.
Cotter, Sheena C.   +3 more
core   +2 more sources

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