Comparative studies of early embryonic development in Quail Coturnix coturnix japonica with different patterns of postnatal growth

• Autorzy: Lilja C , Blom J.

Warianty tytułu

PL

Badania porownawcze wczesnego rozwoju zarodkowego przepiorek japonskich charakteryzujacych sie roznymi wzorcami wzrostu postembrionalnego

• Języki publikacji: EN

Abstrakty

EN

Avian postnatal growth can be treated as a process where birds undergo changes in form due to differential growth rates of their different organs and tissues. These changes are reflected in the morphology and physiology of the animal. In the present study we compare early embryonic development, especially somitogenesis and muscle cell formation, in birds from lines of quail exhibiting different patterns of postnatal growth. We use classical staging techniques that use developmental landmarks to categorize embryonic maturity as well as morphological measurements of specific tissues. These techniques were combined with immunodetection of somite specific gene products to test the hypothesis that differences in postnatal development would be reflected in patterns of embryonic tissue partitioning.

PL

Wzrost postembrionalny ptaków może być uważany za proces, w którym zachodzące zmiany są efektem zróżnicowanego tempa wzrostu poszczególnych organów i tkanek. Znajdują one swe odbicie w morfologii i fizjologii zwierzęcia. W pracy porównano wczesne stadia rozwoju zarodkowego, w szczególności somitogenezę i tworzenie się komórek mięśniowych u przepiórek charakteryzujących się różnymi wzorcami wzrostu postembrionalnego. Przy kategoryzacji dojrzałości embrionalnej oraz pomiarów morfologicznych konkretnych tkanek posłużono się klasycznymi metodami wyznaczania stadiów rozwojowych, opartych na poszukiwaniu cech charakterystycznych dla poszczególnych z nich. Metody te połączono z immunodetekcją produktów aktywności genów specyficznych dla rozwoju somitów i zastosowano je do testowania hipotezy łączącej zróżnicowanie tempa rozwoju postembrionalnego ze wzorcami podziału tkanek embrionalnych.

Słowa kluczowe

PL

ptaki; wzrost tkanek; Coturnix coturnix japonica; komorki miesniowe; tempo wzrostu; rozwoj postembrionalny; somitogeneza; ornitologia; przepiorka japonska; embriogeneza

• Wydawca: -
• Czasopismo: Acta Ornithologica
• Rocznik: 1999
• Tom: 34
• Numer: 2
• Opis fizyczny: s.159-163, tab.,fot.,bibliogr.

Twórcy

autor

Lilja C

• Vaxjo University, S351 95 Vaxjo, Sweden

autor

Blom J.

Bibliografia

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