Sentences with phrase «pre-ascending diapausing»

When conditions are unsuitable for raising young, kangaroos go into something called diapause, where the species» reproduction systems will shut down.

Another analysis focused on the patterns of gene activation during diapause, which the embryos of N. furzeri may undergo during the dry seasons.

In aging, this gene expression presumably occurs to compensate for the accumulation of protein damages; during diapause, the same genes may be activated to prepare the whole embryo to catch up with the interrupted development and be ready to hatch as the rainy season starts.

He explains that «we are the first to show these similarities between gene activation in diapause and aging in vertebrates.

This phenomenon apparently occurs because the mutant flies lack a substance called juvenile hormone, which inhibits the flies» ability to enter diapause.

Ironically, he found his work circling back to diapause, the subject of his master's thesis, when in 2001, his lab showed that dwarf fruit flies with defective insulin - like receptors live longer.

Tatar's research, along with simultaneous independent work by Linda Partridge of University College London, U.K., and her colleagues, demonstrated that an insulin - like signaling pathway controls diapause and aging in flies — similar to what had already been found in the roundworm Caenorhabiditis elegans (see «Growing Old Together»).

He documented that when the caterpillars had a poor springtime diet, they went into a stage of arrested development called diapause instead of growing into adults.

They have no resting phase (diapause) or reserves to tide them over the long Australian droughts.

Apfeld J, Kenyon C. Cell nonautonomy of elegans daf - 2 function in the regulation of diapause and life span.

Ecology of baleen whales, including foraging ecology, habitat characterization, and acoustic behavior; ecology of zooplankton, including physical / biological interactions, distribution, diel vertical migration behavior, and diapause.

Matyash, V., Entchev, E., Mende, F., Wilsch - Bräuninger, M., Thiele, C., Schmidt, A., Knölker, H. - J., Ward, S., and Kurzchalia T. V. Sterol - derived hormone (s) control entry into diapause in Caenorabditis elegans by consecutive activation of DAF - 12 and DAF - 16.

Magne Friberg & Bengt Karlsson — 2010 (5)([email protected]) Keywords: diapause, direct development, dispersal, flight performance, nitrogen analysis, phenotypic plasticity, reproductive output, seasonal polymorphism, trade - off

A diapausing larval stage allows storage of strains for up to two years without maintenance.

However, cat fleas don't have a true diapause or overwintering stage.

Diapause begins at about the same time that the host lupine shifts its energy from leaf maintenance to flower and seed production.

Approximately three weeks after eclosion, the second instar larvae begin diapause, usually in the litter at the base of the host plant.

During this stage of diapause, the mission blue butterfly caterpillar is defenseless from predators that easily can find the caterpillar's motionless, soft body.

In the springtime the grass is green, lupines are growing, and the hungry caterpillar awakes from diapause.

However, the fourth generation born at the end of summer enters a phase called diapause, where they do not reproduce and can live for seven to eight months.

diapause period of suspended growth or development and reduced metabolism in the life cycle of many insects, when organism is more resistant to unfavorable environmental conditions than in other periods

Bowhead whales are assumed to feed on pelagic and epibenthic zooplankton in late summer and fall (Finley 2001; Lowry et al. 2004; Pomerleau et al. 2011b), and on pre-ascending diapausing calanoid copepods in late winter and early spring, based on data from Disko Bay, Greenland (Heide - Jørgensen et al. 2012; Laidre et al. 2007).

(Diapause is a period of inactivity and reduced metabolism similar to hibernation) In the Sierra Nevada, the checkerspot caterpillars diapause throughout the winter, snuggled safely under the soil and surface debris.

The deadly logged landscape had altered the microclimate and thus the timing of the caterpillars» emergence from diapause.