To browse Academia. Skip to main content. You're using an out-of-date version of Internet Explorer. Log In Sign Up. Metallothionein expression and Neutral Red uptake as biomarkers of metal exposure and effect in Eisenia fetida and Lumbricus terrestris exposed to Cd European Journal of Soil Biology, Manu Soto.
Search for more papers by this author. Centrins, small calcium binding EF-hand proteins, function in the duplication of a variety of microtubule organizing centers. These include centrioles in humans, basal bodies in green algae, and spindle pole bodies in yeast. The ciliate Tetrahymena thermophila contains at least four centrin genes as determined by sequence homology, and these have distinct localization and expression patterns. CEN1 's role at the basal body was examined more closely.
Amann , Global existence for semilinear parabolic systems , J. Reine Angew. Math , vol. Andreianov, M. Bendahmane, A.
PEP interacts with calmodulin via its IQ motif to inhibit calmodulin-dependent enzymes and we hypothesized Pcp4l1 would have similar properties. Surprisingly, full length Pcp4l1 does not interact with calmodulin in yeast two-hybrid or pulldown experiments yet a synthetic peptide constituting only the IQ motif of Pcp4l1 binds calmodulin and inhibits calmodulin-dependent kinase II. A nine-residue glutamic acid rich sequence in Pcp4l1 confers these unexpected properties. This element lies outside the IQ motif and its deletion or exchange with the homologous region of PEP restores calmodulin binding.
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Environmental scanning electron microscopy ESEM permits the examination and analysis of uncoated biological specimens in the fully-hydrated wet state. The presence of a gaseous atmosphere results in a loss of spatial XRMA resolution due to beam skirting, an x- ray contribution from the atmosphere and a reduced overall x-ray count. Operational parameters can be optimised and corrections made to reduce these effects. Migration of cations and anions in relation to the probe spot may be particularly important for XRMA. Unable to display preview. Download preview PDF.
Environmental SEM and X-Ray Microanalysis of Biological Materials
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