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Historically, postmetamorphic adult land-phase salamanders have been shown to exhibit minimal to nonexistent limb regeneration. Hence, it has been generally accepted that these forms have lost the intrinsic capacity to regenerate a limb. Due to the experimental protocols used, an alternate explanation is also possible: that this intrinsic capacity cannot be(More)
Due to the great disparity between regeneration times for the larval salamander (40 days), axolotl (30+ days), newt (44 days), and adult salamander (155 to 370 days), a staging system was devised so correlative comparisons could be made between regenerative model systems. The sequence was based on two criteria: 1) the stages should be similar to previously(More)
Previous investigation into the regenerative ability of postmetamorphic adult land phase Ambystoma has revealed that these species have the capacity to completely regenerate a limb, given optimal environmental conditions, and the gross morphological characteristics of limb regeneration in these species compared favorably with the external regeneration(More)
We describe a software framework, GAIA, that supports semi-automated annotation of uncharacterized sequence data. The annotation framework incorporates annotation by data source integration, data analysis, and manual data entry. Components of the system include a configurable, open data analysis pipeline, a relational information storage manager, and(More)
Tuberculosis (TB), caused by Mycobacterium tuberculosis (M. tb), continues to be one of the most prevalent infectious diseases in the world. There is an upward trend in occurrence due to emerging multidrug resistant strains and an increasingly larger proportion of immunocompromised patient populations as a result of the acquired immunodeficiency syndrome(More)
The retinal pigment epithelium (RPE) performs a critical role in maintaining the integrity and renewal of the retinal system by clearing the shed photoreceptor outer segment debris through the process of phagocytosis. If phagocytosis is impaired, accumulation of the debris occurs leading to the degeneration of the retina. Phagocytosis, measured by polyvinyl(More)
Infection with hepatitis B virus (HBV) continues to be a major problem in the human population. There remains a specific requirement for HBV vaccines capable of circumventing the non-responder/inadequate responder status of some vaccinees. Hepacare has been primarily developed to (1) improve anti-SHBs antibody titres in low responders, to conventional(More)
Antibodies against two electrophoretically distinct forms of lipophosphonoglycan (LPG) were produced in rabbits. Antibody specificity was demonstrated by the coupled antibody 125I-protein A assay (Adair et al., J. Cell Biol. 79:281-285, 1978). Indirect immunofluorescent labeling of intact Acanthamoeba showed that antibodies to both LPG components had the(More)