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  • 1
    Electronic Resource
    Electronic Resource
    Bovine ceroid-lipofuscinosis (Batten's disease): The major component stored is the DCCD-reactive proteolipid, subunit c, of mitochondrial ATP synthase (1991)
    Springer
    Veterinary research communications 15 (1991), S. 85-94 
    Details
    ISSN: 1573-7446
    Keywords: ATP synthase ; cattle ; ceroid-lipofuscinosis ; lysosomes ; proteolipid ; subunit c
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The ceroid-lipofuscinoses (Batten's disease) are a group of recessively inherited lysosomal storage diseases of children and animals in which there is intracellular accumulation of a fluorescent lipopigment in a wide variety of cells. Lipopigment bodies isolated from pancreas, liver, kidney and brain tissue from a heifer affected with ceroid-lipofuscinosis contained between 55 and 62% protein. A dominant component comigrated on LDS-PAGE with the major low molecular weight protein stored in ovine ceroid-lipofuscinosis. It was identified by amino acid sequence and mass spectroscopy as the full subunit c of mitochondrial ATP synthase, normally found only in the inner mitochondrial membrane, where it is estimated to account for 2–4% of the membrane protein. In pancreatic lipopigment it accounted for at least 40% of the total lipopigment mass and this storage was considered specific to the disease. No other mitochondrial proteins were found in storage bodies. These results are similar to those found in studies on the ovine and the late infantile and juvenile human forms of the disease. It is concluded that bovine ceroid-lipofuscinosis is also a proteolipid proteinosis in which subunit c of mitochondrial ATP synthase is specifically stored in lysosome derived organelles.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00405140
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Host recognition and the study of a chemical basis for attraction by cuckoo bumble bees (Hymenoptera: Apidae) (1993)
    Springer
    Journal of chemical ecology 19 (1993), S. 771-786 
    Details
    ISSN: 1573-1561
    Keywords: Host recognition ; volatiles ; social parasitism ; cuckoo bumble bees ; Bombus terrestris ; Bombus terricola ; Psithyrus vestalis ; Psithyrus ashtoni ; Hymenoptera ; Apidae ; Dufour's gland ; tergal gland
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Species ofPsithyrus (Hymenoptera; Apidae) are obligate bumble bee social parasites. In this study, females ofP. vestalis andP. ashtoni were presented with pentane extracts prepared from different body parts of queens of their respective host species,Bombus terrestris andB. terricola. Parasites of both species were capable of distinguishing host bees from other bumble bee species using chemical cues contained within extracts. Among extracts of several body parts presented to parasites, the abdomen produced the greatest behavioral response, with Dufour's gland and terminal tergal segments eliciting the greatest response among abdominal regions. Extracts of these two body parts obtained fromB. terrestris queens shared a number of compounds, identified by GC-MS. Among the identified compounds are a number that have been reported to be of importance in bee sociochemistry.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00985008
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    Paper (German National Licenses)
    Fulltext
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