Active transport of proline remained unaffected in phospholipase A-treated electron transport particles from Mycobocierium phlei. However, the steady state level of proline was reduced 50 to 60% in phospholipase A-treated depleted electron transport particles that were devoid of membrane-bound coupling factor-latent ATPase activity. The decrease in the uptake of proline in the phospholipase A-t...

Active transport of proline remained unaffected in phospholipase A-treated electron transport particles from Mycobacterium phlei. However, the steady state level of proline was reduced 50 to 60% in phospholipase A-treated depleted electron transport particles that were devoid of membrane-bound coupling factor-latent ATPase activity. The decrease in the uptake of proline in the phospholipase A-t...

Plant photosynthesis and photosystem II (PSII) are susceptible to high temperature. However, photosynthetic electron transport process under heat stress remains unclear. To reveal this issue, chlorophyll a fluorescence and modulated 820 nm reflection were simultaneously detected in sweet sorghum. At 43°C, J step in the chlorophyll a fluorescence transient was significantly elevated, suggesting ...

© 2014 Materials Research Society MRS BULLETIN • VOLUME 39 • OCTOBER 2014 • www.mrs.org/bulletin Introduction Topological insulators (TIs) are a class of materials where the bulk is a band insulator, but the surface possesses electronic states carrying electric current. 1 , 2 One unique characteristic of the surface bands is the spin-momentum locking property—electrons have a single spin state ...

Mitochondria have long had an enigmatic role in the biology of aging. New research in Drosophila reveals an evolutionarily conserved function for the mitochondrial electron transport chain in the modulation of animal lifespan.

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A major goal of aging research is to identify interventions that prolong lifespan in distantly related organisms. In recent years, genetic studies in both nematodes and rodents have reported that moderate inactivation of genes important for mitochondrial electron transport chain (ETC) function can promote longevity. We performed an RNAi screen to probe the role of ETC components in modulating l...

The electronic conductance at zero temperature through a quantum wire with side-connected asymmetric quantum ring (as a scatter system) is theoretically studied using the non-interacting Hamiltonian Anderson tunneling method. In this paper we concentrate on the configuration of the quantum dot rings. We show that the asymmetric structure of QD-scatter system strongly influences the amplitude an...

Membrane vesicles were prepared from Micrococcus denitrificans by osmotic shock of lysozyme spheroplasts. These vesicles concentrated 4 amino acids via two systems; one for glycine-alanine and the other for asparagine-glutamine. Amino acid transport was coupled to the membrane-bound electron transport system and involved interactions of the primary dehydrogenases, cytochromes, cytochrome oxidas...