Titlebook: MIPs and Their Roles in the Exchange of Metalloids; Thomas P. Jahn,Gerd P. Bienert Book 2010 The Editor(s) (if applicable) and The Author(

固定某物

Metalloids, Soil Chemistry and the Environment,n (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te), polonium (Po) and astatine (At) are considered metalloids. Metalloids conduct heat and electricity intermediate between nonmetals and metals and they generally form oxides. The natural abundance of metalloids varies from Si being t

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Arsenic Transport in Prokaryotes and Eukaryotic Microbes,es. More recently, AQPs have also been shown to facilitate diffusion of metalloids such as arsenic (As) and antimony (Sb). At neutral pH, the trivalent forms of these metalloids are structurally similar to glycerol and hence they can enter cells through AQPs. As- and Sb-containing compounds are toxi

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巧辦法

Molecular Mechanisms of Boron Transport in Plants: Involvement of Arabidopsis NIP5;1 and NIP6;1, systems, was identified by forward genetics using . mutants. Genes similar to BOR1 have been reported to share different physiological roles in plants. ., a member of aquaporins in ., was then identified as a boric acid channel gene responsible for the B uptake into roots. ., the most similar gene

伴隨而來

Silicon Transporters in Higher Plants,h biotic and abiotic stresses including diseases, pests, lodging, drought and nutrient imbalance. Silicon is taken up by the roots in the form of silicic acid, a noncharged molecule. Recently both influx (Lsi1) and efflux (Lsi2) transporters for silicic acid have been identified in gramineous plants

Flatus

Major Intrinsic Proteins and Arsenic Transport in Plants: New Players and Their Potential Role,As in the environment are arsenate [As(V)] and arsenite [As(III)]. As(V) is a nonfunctional phosphate analog that enters the food chain via plant phosphate transporters. Recently, evidence was provided that uptake of As(III)—the second most abundant As species in soils—is mediated by plant nodulin26

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舊石器時代

f time is critical to understand the conditions of the emergence of life. These conditions are the result of the coupling between the inner and outer envelopes of the Earth. Several processes such as volcanism, magnetic field and plate tectonics originate in the Earth’s deep layers. They control the

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