Colony specificity in the compound ascidian, Botryllus scalaris.
نویسندگان
چکیده
منابع مشابه
A New Type of the Manifestation of Colony Specificity in the Compound Ascidian , Botrylloides violaceus Oka
A new type ofcobony specificity (= albogeneic recognition) is shown for Botryioides violaceus. All bo tryllid ascidians previously studied for colony specificity show albo-recognition reactions, manifested as fusion or nonfusion (rejection), both at the colonial margin (=growing edge) andatthecutsurface. By contrast abbo recognition in Botryioides violaceus is absent at the cut surface, but pre...
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The colonial ascidian Botryllus schlosseri is an ideal model organism for studying gonad development and hermaphroditism. B. schlosseri has been reared in laboratories for over half a century, and its unique biology allows investigators to probe the processes of germ cell migration and gonad formation, resorption, and regeneration. Following metamorphosis, colonies of B. schlosseri show a synch...
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Morula cells (MCs) represent the most abundant circulating hemocyte of the compound ascidian Botryllus schlosseri. They are cytotoxic cells involved in the rejection reaction between contacting, genetically incompatible colonies. Upon the recognition of foreign substances, they degranulate and release their content, which contribute to the cell death along the contact borders. A major role in M...
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An unusual infection by tunicate ascidians on the trunk part of a seahorse caught by gill ne ing in the Eastern Black Sea Region of Turkey was observed. The colour, zooid diameter and width of the zooids colony of tunicate was determined. The present study is the first report of this condition on seahorses. * Corresponding author’s e-mail: [email protected] Tunicates are marine invertebrate ani...
متن کاملSTUDIES ON THE TISSUE SPECIFICITY OF COLONY STIMULATING FACTOR
In this study granulocyte-macrophage colony stimulating factor (CSF) was prepared from rabbit and guinea pig lung tissues. The biological activity of these CSFs was measured on semisolid agar culture and compared with those of mouse and rat. Weight of animals, incubation time and cross-reactivity of CSFs with different bone marrow sources were also investigated. The results showed that both...
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ژورنال
عنوان ژورنال: Proceedings of the Japan Academy, Series B
سال: 1982
ISSN: 0386-2208,1349-2896
DOI: 10.2183/pjab.58.105