Vascularization of zygotic and somatic embryos of Arabidopsis thaliana

• Autorzy: Fras A , Smolen B. , Maluszynska J.
• Języki publikacji: EN

Abstrakty

EN

Somatic embryos were induced from immature zygotic embryos of Arabidopsis thaliana cultured on Gamborg basal medium (B5) supplemented with dichlorophenoxyacetic acid (2,4-D) at 5 µM l-1. The somatic embryos were of unicellular origin. The sequence of divisions and the orientation of newly formed walls resembled the Onagrad pattern of early embryogenesis. Histological studies revealed no connection between the somatic embryos and explant tissue. In contrast to zygotic embryos, in late heart-shaped somatic embryos both sieve and tracheary elements were present. The sieve elements that formed in somatic embryos were characterized by larger plates than normal sieve elements observed in seedlings. Typical features of the tracheary elements in somatic embryos were irregular shape and thickening of the secondary walls.

Słowa kluczowe

PL

zygotic embryo; somatic embryogenesis; vascularization; Arabidopsis thaliana; regeneration system; plant development; plant genetics

• Wydawca: -
• Czasopismo: Acta Biologica Cracoviensia. Series Botanica
• Rocznik: 2008
• Tom: 50
• Numer: 2
• Opis fizyczny: p.43-48,fig.,ref.

Twórcy

autor

Fras A

• Department of Plant Anatomy and Cytology, University of Silesia, Jagiellonska 28, 40-032 Katowice, Poland

autor

Smolen B.

autor

Maluszynska J.

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