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A purL mutant of Sinorhizobium fredii HH103 is symbiotically defective and altered in its lipopolysaccharide
(Microbiology Society, 2003)
The pleiotropic phenotype of an auxotrophic purL mutant (SVQ295) of Sinorhizobium fredii HH103 has been investigated. SVQ295 forms colonies that are translucent, produce more slime and absorb less Congo red than those ...
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Anti-tumour activity of Digitalis purpurea L. subsp. heywoodii
(Georg Thieme Verlag, 2003)
Recent research has shown the anticancer effects of digitalis compounds suggesting their possible use in medical oncology. Four extracts obtained from the leaves of Digitalis purpurea subsp. heywoodii have been assessed ...
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A gibberellin-induced nuclease is localized in the nucleus of wheat aleurone cells undergoing programmed cell death
(The American Society for Biochemistry and Molecular Biology, 2003)
The aleurone layer of cereal grains undergoes a gibberellin-regulated process of programmed cell death (PCD) following germination. We have applied a combination of ultrastructural and biochemical approaches to analyze ...
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The retrieval function of the KDEL receptor requires PKA phosphorylation of its C-terminus
(American Society for Cell Biology, 2003)
The KDEL receptor is a Golgi/intermediate compartment-located integral membrane protein that carries out the retrieval of escaped ER proteins bearing a C-terminal KDEL sequence. This occurs throughout retrograde traffic ...