Neurospora crassa has been for decades a principal model for filamentous
fungal genetics and physiology as well as for understanding
the mechanism of circadian clocks. Eukaryotic fungal and animal
clocks comprise transcription-translation-based feedback loops that
control rhythmic transcription of a substantial fraction of these transcriptomes,
yielding the changes in protein...
Full Text:
promoters, including those of many transcrip-
tion factors. High temporal resolution (2-h) sampling over 48
The reason for the initial rise in atmospheric
CO₂ during the last deglaciation remains unknown. Most recent
hypotheses invoke Southern Hemisphere processes such
as shifts in midlatitude westerly winds. Coeval changes in
the Atlantic meridional overturning circulation (AMOC) are
poorly quantified, and their relation to the CO₂ increase is
not...
Full Text:
) components in (G) and (H), following Schmittner et al. (2014). All anomalies are shown relative
to model
Considerable uncertainties often surround the causes of long-term changes in population abundance. One striking example is the precipitous decline of southern sea lions (SSL; Otaria flavescens) at the Falkland Islands, from 80 555 pups in the mid 1930s to just 5506 pups in 1965. Despite an increase in SSL abundance over...
Full Text:
catastrophic pinniped population declines (Caughley
and Gunn 1996, Gerber and Hilborn 2001). It is also
The rugged Cascade Range of central Oregon has been long regarded as an enigmatic, archaeological puzzle in the study of the Pacific Northwest's ancient past. While ethnographic and archaeological research in the adjacent northern Great Basin, Columbia Plateau and Willamette Valley have revealed a rich and ancient tapestry of Native...
Full Text:
used for sewing or puncturing animal skins and/or other textiles.
L -WI-!"1 P] -A-3-3 91-A-5-h
06
Stressors associated with human activities interact in complex ways to affect marine ecosystems,
yet we lack spatially explicit assessments of cumulative impacts on ecologically and
economically key components such as marine predators. Here we develop a metric of
cumulative utilization and impact (CUI) on marine predators by combining electronic tracking...
Full Text:
Conservation Biology 2008 Vol. 1134 Annals of the New York
Academy of Sciences (ed R. S. Schlesinger W. H
Trade in staple crop commodities has become increasingly important in the global food system, with ramifications for both food security and water resources sustainability. It is thus essential to understand how the water footprint (WF) of staple crop trade may change in the future. To this end, we project international...
Full Text:
] MacDonaldGK, BraumanKA, Sun S, CarlsonKM,
Cassidy E S, Gerber J S andWest PC 2015Rethinking
agricultural trade
To survive winter, many perennial plants become endodormant, a state of suspended growth maintained even in favorable growing environments. To understand vegetative bud endodormancy, we collected paradormant, endodormant, and ecodormant axillary buds from Populus trees growing under natural conditions. Of 44,441 Populus gene models analyzed using NimbleGen microarrays, we found...
Full Text:
., Dharmawardhana, P., Priest, H. D., Mockler, T. C., &
Strauss, S. H. (2015). Extensive transcriptome changes
Hybridization has been identified as a significant factor in the evolution of plants as groups of interbreeding species retain their phenotypic integrity despite gene exchange among forms. Recent studies have identified similar interactions in animals; however, the role of hybridization in the evolution of animals has been contested. Here we...
Full Text:
11
79 Catostomus snyderi OS 015892A LOST RIVER GERBER RESERVOIR GERBER RESERVOIR 158 M 6.1 16.4
Hybridization has been identified as a significant factor in the evolution of plants as groups of interbreeding species retain their phenotypic integrity despite gene exchange among forms. Recent studies have identified similar interactions in animals; however, the role of hybridization in the evolution of animals has been contested. Here we...
Full Text:
for some spe-
cies in certain geographic areas (e.g., Ch. brevirostris and C. snyderi in Gerber