Results 61 to 70 of about 97,249 (205)

Regulation of the juvenile hormone titre in the Colorado potato beetle [PDF]

open access: yes, 1978
Three main topics were investigated in regulation of the titre of juvenile hormone in haemolymph of the Colorado potato beetle ( Leptinotarsa decemlineata Say): enzymic breakdown of the hormone; binding and protection of the hormone by carrier proteins ...
Kramer, S.J.
core   +1 more source

DmCatD, a cathepsin D-like peptidase of the hematophagous insect Dipetalogaster maxima (Hemiptera: Reduviidae): Purification, bioinformatic analyses and the significance of its interaction with lipophorin in the internalization by developing oocytes [PDF]

open access: yes, 2018
DmCatD, a cathepsin D-like peptidase of the hematophagous insect Dipetalogaster maxima, is synthesized by the fat body and the ovary and functions as yolk protein precursor. Functionally, DmCatD is involved in vitellin proteolysis.
Arrese, Estela L.   +8 more
core   +1 more source

Fenoxycarb exposure disrupted the reproductive success of the amphipod Gammarus fossarum with limited effects on the lipid profile. [PDF]

open access: yesPLoS ONE, 2018
Insect growth regulator insecticides mimic the action of hormones on the growth and development of insect pests. However, they can affect the development of non-target arthropods.
Hélène Arambourou   +7 more
doaj   +1 more source

Independent elaboration of steroid hormone signaling pathways in Metazoans [PDF]

open access: yes, 2009
Steroid hormones regulate many physiological processes in vertebrates, nematodes and arthropods through binding to nuclear receptors (NR), a metazoan-specific family of ligand-activated transcription factors.
Gabriel V. Markov   +5 more
core   +3 more sources

Molecular interaction network of plant-herbivorous insects

open access: yesAdvanced Agrochem
The interactions between plants and herbivorous insects are complex and involve multiple factors, driving species formation and leading to the beginning of co-evolution and diversification of plant and insect molecules.
Chao Hu   +4 more
doaj   +1 more source

Starvation-Induced Changes to the Midgut Proteome and Neuropeptides in Manduca sexta

open access: yesInsects
Starvation is a complex physiological state that induces changes in protein expression to ensure survival. The insect midgut is sensitive to changes in dietary content as it is at the forefront of communicating information about incoming nutrients to the
Gurlaz Kaur   +4 more
doaj   +1 more source

Coordinated RNA-Seq and peptidomics identify neuropeptides and G-protein coupled receptors (GPCRs) in the large pine weevil Hylobius abietis, a major forestry pest [PDF]

open access: yes, 2018
Hylobius abietis (Linnaeus), or large pine weevil (Coleoptera, Curculionidae), is a pest of European coniferous forests. In order to gain understanding of the functional physiology of this species, we have assembled a de novo transcriptome of H. abietis,
Davies, Shireen-Anne   +7 more
core   +1 more source

Plant Hormones in Phytoplasma Infected Plants

open access: yesFrontiers in Plant Science, 2019
Phytoplasmas are bacterial plant pathogens that need a plant host and an insect vector for their spread and survival. In plants, the physiological responses that phytoplasmas trigger result in symptom development through effects on hormonal, nutritional,
Marina Dermastia
doaj   +1 more source

Caterpillar Chewing Vibrations Cause Changes in Plant Hormones and Volatile Emissions in Arabidopsis thaliana

open access: yesFrontiers in Plant Science, 2019
Plant perception of insect feeding involves integration of the multiple signals involved: wounding, oral secretions, and substrate borne feeding vibrations. Although plant responses to wounding and oral secretions have been studied, little is known about
Mélanie J. A. Body   +11 more
doaj   +1 more source

Bio-communication of Plants [PDF]

open access: yes, 2007
Plants communicate with a great variety of symbiotic partners, above and below ground. Constant monitoring of signals of biotic origin as well as abiotic environmental influences allows plants to generate appropriate response behavior.
Guenther Witzany
core   +1 more source

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