Kimera; Doku kültüründeki uygulamaları ve bitki ıslahındaki kullanımı

Birden fazla genotipe sahip hücrenin veya dokunun bir arada canlılıklarını devam ettirebilmeleridurumu kimera olarak tanımlanmaktadır. Kimeralar fizyolojik, histolojik, biyoteknolojik,genotipik ve anatomik ara ştırma lar için uygun çalışma materyalleri oluşturmaktadırlar . Kimeralıbitkilerin sınıflandırmaları; mutasyonun yeri ve apikal meristemde mutasyona uğrayan hücre lerinmutasyona uğramayan hücrelere oranları temel alınarak yapılmaktadır. Kimeralar ; periklinal,meriklinal ve sektöriyel kimeralar olarak sınıflandırılırlar . Periklinal kimeralar daha stabilolduklarından ve vejetatif olarak çoğaltılabildiklerinden en önemli kategoriyi oluşturmaktadırlar.Bu çalışmada ; kimeralı yapıların oluşumu, kimeraların kategorileri, devam ettirilebilme lerihususunda genel prensipler ve in vitro tekniklerin tartışılması amaçlanmıştır .

Chimera; Tissue culture applications and its usage in plant breeding

It is said to be a chimera when cells or tissue of more than one genotype are found growingadjacent together in tha t plant. Chimeras are the useful study tools for physiological, histological,biotechnological, genotypical, anatomical researches . Chimeral plants are be categorized on thebasis of the location and relative proportion of mutated to non mutated cells in the apical meristem.Chimeras are being classified periclinal, mericlinal, sectorial chimeras. Periclinal chimeras are themost important category since they are relatively stable and can be vegetatively propagated. Theaim of this study was argue that occurrence chimeral construction, categorize of chimeras , basicprinciple at maintenance of chimera and in vitro technique s .

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