S (PH D THESIS) Involvement of auxin distribution in root nodule development of Lotus japonicus (Graduate School of Agriculture, Laboratory of Plant Gene Expression, RISH, Kyoto University) Kojiro TAKANASHI Legumes (Fabaceae) constitute the third largest plant family with around 700 genera and 20,000 species. Legume plants form root nodules through symbiosis with a soil microbe called rhizobia....

In his seminal paper, Pearl [1986] introduced the notion of Bayesian networks and the first processing algorithm, Belief Propagation (BP), that computes posterior marginals, called beliefs, for each variable when the network is singly connected. The paper provided the foundation for the whole area of Bayesian networks. It was the first in a series of influential papers by Pearl, his students an...

in this research, the bud and cane winter cold tolerance of 22 field-grown grapevine cultivars of kourdestan province agricultural and natural resources research and education center was evaluated at jan. and mar. stages in 2012. in these cultivars soluble carbohydrates and water content changes of buds and canes during dormant period also were measured. after exposure to different freezing tem...

Besides their regulatory role in embryogenesis, homeobox (HOX) genes are expressed in a specific manner in hematopoietic cell lineages, implying a role in the molecular regulation of hematopoiesis. Some HOX C cluster genes are found to be expressed in lymphoid cells of mice and humans. Their function and expression in normal hematopoiesis are still largely unknown. We have studied the mRNA expr...

In tobacco plants, elimination of Zn and Cd via the production of Ca-containing grains at the top of leaf hairs, called trichomes, is a potent detoxification mechanism. This study examines how Cd is incorporated in these biominerals, and how calcium growth supplement modifies their nature. Scanning electron microscopy coupled with energy dispersive X-ray microanalysis (SEM-EDX), microfocused X-...

G-proteins mediate many cellular signaling processes; some are restricted to certain tissues or cell types, whereas others are involved in more general activities. For example, information regarding a change in the concentration of peptides, hormones, lipids, neurotransmitters, ions, odorants and tastants or an influx of photons to the eye can be transmitted to a cell via G-proteins. Heterotrim...

The paper considers Weighted Best First (WBF) search schemes, popular for path-finding domain, as approximations and as anytime schemes for the MAP task. We demonstrate empirically the ability of these schemes to effectively provide approximations with guaranteed suboptimality and also show that as anytime schemes they can be competitive on some benchmarks with one of the best state-of-the-art ...

This paper is about a practical implementation of a search mechanism, whereby the concepts of an ontological layer are applied over the federal jurisprudence repository of court decisions (STF). After some brief considerations about the basis of this project, we discuss the steps followed to build the system. Resumo. Este artigo apresenta uma implementação real de um mecanismo de busca, onde os...

We study the marginal-MAP problem on graphical models, and present a novel approximation method based on direct approximation of the sum operation. A primary difficulty of marginal-MAP problems lies in the non-commutativity of the sum and max operations, so that even in highly structured models, marginalization may produce a densely connected graph over the variables to be maximized, resulting ...