Now showing items 1-10 of 7208
The South American Defense Council: the Building of a Community of Practice for Regional Defense
(Inst Brasileiro Relacoes Int, 2017-01-01)
While the South American Defense Council has been analyzed as a security community, we argue that it is best described as an early stage community of practice, since it has successfully set in motion a regular interaction ...
Trading direct for indirect defense? Phytochrome B inactivation in tomato attenuates direct anti-herbivore defenses whilst enhancing volatile-mediated attraction of predators
(Wiley Blackwell Publishing, Inc, 2016-12)
Under conditions of competition for light, which lead to the inactivation of the photoreceptor phytochrome B (phyB), the growth of shade-intolerant plants is promoted and the accumulation of direct anti-herbivore defenses ...
The politics of defense revival in Argentina
(Taylor & Francis, 2013-01)
Defense issues in Argentina have started to receive increasing political attention in the last few years. This new political interest contrasts markedly with what was happening in previous decades. In this way, the main ...
Within-plant allocation of a chemical defense in Secale cereale. Is concentration the appropriate currency of allocation?
(Birkhauser Verlag Basel, 1999)
The among-leaves allocation of DIBOA, a hydroxamic acid associated with plant resistance, in the shoot of rye (Secale cereale) was evaluated over the vegetative development of the plant. The appropriateness of using the ...
Allocation of herbivory-induced hydroxamic acids in the wild wheat Triticum uniaristatum
(Birkhauser Verlag Basel, 1998)
We characterized the induction of hydroxamic acids (Hx) by aphid infestation in the wild wheat Triticum uniaristatum by addressing the following questions: i) Do different leaves have similar responses to aphid damage?, ...
Light Regulation of Plant Defense
(Annual Reviews, 2014-04)
Precise allocation of limited resources between growth and defense is critical for plant survival. In shade-intolerant species, perception of competition signals by informational photoreceptors activates shade-avoidance ...
As medidas de confiança no Conselho de Defesa Sul-americano (CDS): análise dos gastos em Defesa (2009-2012)
(Instituto Brasileiro de Relações Internacionais, 2014)
We analyze the combined methodology developed by the South-American Defense Council (SDC) for assessing Defense expenditures. We examine its backgrounds, its limitations, its innovations and the profile of Defense budget ...
Effects of intra-PAG infusion of ovine CRF on defensive behaviors in Swiss-Webster mice
(Elsevier B.V., 2007-01-25)
The midbrain dorsal periaqueductal gray (DPAG) is part of the brain defensive system involved in active defense reactions to threatening stimuli. Corticotrophin releasing factor (CRF) is a peptidergic neurotransmitter that ...
UNASUR: Developments in the Defense Area
(Centro Studi Sul Federalismo, 2013-11)
The article summarizes the last developments in South America towards a common defense area, referring to the history and origins of the Union of South American Nations (UNASUR).