Results 41 to 50 of about 146,892 (255)

Perspectives and behaviors surrounding planting practices in North America inform genetic conservation realities for American ginseng (Panax quinquefolius)

PLANTS, PEOPLE, PLANET, EarlyView.
American ginseng is a shade‐obligate, North American medicinal plant that is widely traded and used internationally. To meet global demand, ginseng is cultivated in forest farms in the Appalachian region of the USA and field‐based artificial shade farms in two regions: Ontario, Canada and Wisconsin, USA. We conducted social research leveraging in‐depth
Rachel E. Palkovitz, Mary K. Shenk, Eric P. Burkhart   +2 more
wiley   +1 more source

The Altered Expression of microRNA408 Influences the Arabidopsis Response to Iron Deficiency

Frontiers in Plant Science, 2019
MicroRNAs contribute to the adaptation of plants to varying environmental conditions by affecting systemic mineral nutrient homeostasis. Copper and iron deficiencies antagonistically control the expression of Arabidopsis thaliana microRNA408 (miR408 ...
Àngela Carrió-Seguí, Omar Ruiz-Rivero, Laura Villamayor-Belinchón, Sergi Puig, Ana Perea-García, Lola Peñarrubia   +5 more
doaj   +1 more source

Automated extraction of leaf mass per area from digitized herbarium specimens

New Phytologist, EarlyView.
Summary The digitization of vast herbarium collections has made millions of plant specimen images freely available online, which can now be used to generate phenotypic datasets of unprecedented scope. Here, we assess the potential of computer vision tools to automate the extraction of predicted leaf mass per area (LMApred) from digitized herbarium ...
Thais Vasconcelos, William N. Weaver, Aly Baumgartner, Zoë Bugnaski, James Boyko   +4 more
wiley   +1 more source

The quasar Q0957+561: Lensed CO emission from a disk at z~1.4?

, 1997
In recent years large efforts have been made to detect molecular gas towards high redshifted objects. Up to now the literature reports on only two cases of CO-detection in quasars at a redshift between 1 and 2 - Q0957+561, a gravitationally lensed system
CR Keeton, D Walsh, DSPM Downes, EE Falco, M Harvanek, M-C Angonin-Willaime, NA Grogin, R Barkana, T Kundic   +8 more
core   +2 more sources

A new infrared band in the Interstellar and Circumstellar Clouds: C_4 or C_4H? [PDF]

, 2002
We report on the detection with the Infrared Space Observatory (ISO) of a molecular band at 57.5 microns (174 cm^{-1}) in carbon-rich evolved stars and in Sgr B2.
Cernicharo J., Cernicharo J., Cernicharo J., Cernicharo J., Cernicharo J., Clegg P. E., Clegg R. E. S., Cox P., Guelin M., Guelin M., Guelin M., Javier R. Goicoechea, José Cernicharo, Kessler M. F., Mikami H., Swinyard B. M., Yves Benilan   +16 more
core   +3 more sources

Estructura molecular y poblacional del ganado criollo Colombiano (GCC)

Revista Colombiana de Ciencias Pecuarias, 2016
Resumen El ganado criollo colombiano comprende un grupo de razas que se han adaptado por más de 400 años a las condiciones ecoclimáticas de nuestro país, razón por la cual poseen características adaptativas de suma importancia que podrían ser utilizadas de una manera racional en programas de conservación y mejoramiento animal.
Bedoya Berrío, Gabriel de Jesús, Carvajal Carmona, Luis Guillermo, Bermúdez González, Nelson Raúl, Moreno Osorio, Fernando León, Márquez, María E., Davies, Scott, Derr, James N., Ossa Londoño, Jorge Eliecer, Ruiz, Andrés   +8 more
openaire   +2 more sources

Heat‐evolved coral photosymbionts exhibit dampened stress responses across distinct physiological contexts

New Phytologist, EarlyView.
Summary Experimental evolution under elevated temperatures has generated heat‐evolved (HE) strains of Symbiodiniaceae that enhance coral bleaching tolerance. However, the biomolecular mechanisms underlying this resilience remain poorly understood. We conducted a laboratory heat‐stress experiment and applied synchrotron‐based Fourier transform infrared (
Bede G. Johnston, Madeline R. Garing, Annaleise R. Klein, Wing Yan Chan, Matthew R. Nitschke, Madeleine J. H. van Oppen   +5 more
wiley   +1 more source

Estructura cristalina y molecular de la dihidracida malónica anhidra

Acta geológica hispánica, 1975
En este trabajo se presenta la estructura cristalina y molecular de la hidracida malónica anhidra. La estructura cristalina ha sido resuelta por difracción de Rayos X. Las dimensiones de la celda elemental son: a.= 6.986A, b.= 4.828 A, c.= 17.619A, p = 93.49º, V = 593.19A y su grupo espacial es el P21/c, Z = 4.
MIRAVITLLES, C., BRIANSÓ, J.L., PLANA, F., FONT-ALTABA, M.   +3 more
openaire   +7 more sources

Deregulated High Affinity Copper Transport Alters Iron Homeostasis in Arabidopsis

Frontiers in Plant Science, 2020
The present work describes the effects on iron homeostasis when copper transport was deregulated in Arabidopsis thaliana by overexpressing high affinity copper transporters COPT1 and COPT3 (COPTOE).
Ana Perea-García, Amparo Andrés-Bordería, Francisco Vera-Sirera, Miguel Angel Pérez-Amador, Sergi Puig, Lola Peñarrubia   +5 more
doaj   +1 more source

Estudien la colonització transoceànica de la mosca Drosophila [PDF]

, 2007
Drosophila buzzattii és una espècie de mosca del vinagre que va arribar a Europa procedent d'Argentina fa 300 anys. S'ha observat que el genoma de les mosques europees presenta diferències respecte el de les seves homologues d'Amèrica del Sud. En concret,
García Guerreiro, María Pilar
core   +1 more source