意大利剑兰(鸢尾科)雌性配子体的发育

IF 2.1 4区生物学 Q2 Agricultural and Biological Sciences

Caryologia Pub Date : 2021-12-21 DOI:10.36253/caryologia-1082

Çiler Kartal, Nuran Ekici, Almina Kargacıoğlu, Hazal Nurcan Ağırman

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引用次数: 0

摘要

本文采用光镜技术对意大利剑兰的雌蕊、大孢子发生、大配子体发生和雌性配子体进行了细胞学和组织学研究。意大利葡萄胚珠为倒生型、双生型和抱穗型。胚囊发育为单孢子蓼型。极核在受精前融合在对跖附近形成次级核。本研究首次对意大利凤梨雌配子体发育进行了研究。

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Development of Female Gametophyte in Gladiolus italicus Miller (Iridaceae)

In this study gynoecium, megasporogenesis, megagametogenesis and female gametophyte of Gladiolus italicus Miller were examined cytologically and histologically by using light microscopy techniques. Ovules of G. italicus are of anatropous, bitegmic and crassinucellate type. Embryo sac development is of monosporic Polygonum type. Polar nuclei fuse before fertilization to form a secondary nucleus near the antipodals. The female gametophyte development of G. italicus was investigated for the first time with this study.

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来源期刊

Caryologia 生物-遗传学

CiteScore

1.60

自引率

23.80%

发文量

审稿时长

12 months

期刊介绍： Caryologia is devoted to the publication of original papers, and occasionally of reviews, about plant, animal and human karyological, cytological, cytogenetic, embryological and ultrastructural studies. Articles about the structure, the organization and the biological events relating to DNA and chromatin organization in eukaryotic cells are considered. Caryologia has a strong tradition in plant and animal cytosystematics and in cytotoxicology. Bioinformatics articles may be considered, but only if they have an emphasis on the relationship between the nucleus and cytoplasm and/or the structural organization of the eukaryotic cell.