Home > Archive>Volume 30, Issue 2, 2022 >249-256. DOI:10.11926/jtsb.4447
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Leaf Epidermal Morphology of Albino Mutant of Artocarpus heterophyllus
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    Abstract:

    To investigate the changes of leaf epidermal morphology in albino mutants of woody plants, the epidermis cells and stomatal apparatus on leaves of albino mutant (AAS) and normal (CK) Artocarpus hetero-phyllus seedlings were observed under scanning electron microscopy. The phylogenetic tree was constructed based on MAP65 family proteins, and the expression of MAP65 was analyzed. The results showed that the size and morphology of epidermal cells and stomatal apparatus of AAS were changed greatly. Compared with CK, epidermal cells of AAS had smaller perimeter and area, higher density, less lobe number, shorter lobe length and smaller stomatal apparatus. The number of small cells and abnormal stomatal apparatus in lower epidermis increased significantly in AAS. Most genes of MAP65 family members were down regulated in AAS. Therefore, it was speculated that the occurrence of AAS might be related to the expression of MAP65 gene.

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王紫璇,徐芷蕙,黄晓薇,于旭东,蔡泽坪,罗佳佳,李世东.菠萝蜜白化突变体叶片表皮形态研究[J].热带亚热带植物学报,2022,30(2):249~256

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History
  • Received:May 12,2021
  • Revised:June 12,2021
  • Online: March 30,2022
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