Abstract:
:Experimental taeniid strobilae from Taenia solium and T. crassiceps (WFU strain) were incubated for 0-72 h in 0, 5 or 20 mM glucose solutions and further exposed for 15 min to the gap junction fluorochrome Lucifer Yellow. Frozen sections were obtained from each worm and observed under an epifluorescent microscope. Worm sections from strobilae incubated with glucose, revealed intense fluorescence in the base of the tegumentary surface, suggesting that this tissue behaves as a gap junction complex. Fluorescence intensity differences between control worms not exposed to glucose and worms incubated with glucose, were highly significant. The results demonstrate that under in vitro conditions, glucose is taken up along the whole strobilar tegument in both taeniid species, suggesting, that although taeniids attached to the duodenum probably take up most of their nutrients directly from the mucosal wall, the capacity for absorbing glucose along the tegumentary surface is always active and may increase the survival capacity of these intestinal worms by promoting glucose absorption at other points in the intestinal lumen.
journal_name
Parasitol Resjournal_title
Parasitology researchauthors
Willms K,Presas AM,Jiménez JA,Landa A,Zurabián R,Ugarte ME,Robert Ldoi
10.1007/s00436-005-1348-0subject
Has Abstractpub_date
2005-07-01 00:00:00pages
296-301issue
5eissn
0932-0113issn
1432-1955journal_volume
96pub_type
杂志文章abstract::Paramyosin is a muscle protein that probably plays a role in the survival of the larval stage of Taenia solium during its prolonged host-parasite relationship. Here we describe the structure of the gene coding for the paramyosin of T. solium. The characterization of two clones obtained from a genomic library showed th...
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