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杉木次生韧皮部筛胞发育中的超微结构变化

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2008年06期
Page:
47-51
Column:
研究论文
publishdate:
2008-11-30

Article Info:/Info

Title:
Ultrastructure change during the development sieve cell of secondary phloem in Cunninghamia lanceolata
Article ID:
1000-2006(2008)06-0047-05
Author(s):
PENG Ye FAN Ru-wen HUANG Jin-shengGAN Xi-hua FANG Yan-ming
College of Forest Resources and Environment Nanjing Forestry University, Nanjing 210037, China
Keywords:
Cunninghamia lanceolata Sieve cell Development Ultrastructure
Classification number :
S718
DOI:
10.3969/j.jssn.1000-2006.2008.06.011
Document Code:
A
Abstract:
The process of developing the sieve cell of secondary phloem in Cunninghamia lanceolata (Lamb.) Hook. could be divided into two stages, i. e. radial expanding of the mother cell and orderly degradation of nuclei and organelle. After first stage, the sieve area began to form, and the wall became tiny thicken, but sill was primary cell wall. In the second stage, organelles degraded. The endoplasmic reticulum played a main role in the whole process. The vacuole membrane was not ruptured. The mature sieve cell plastid was starch. The P - protein was not found. The nuclear degradation was similar to program cell death.

References

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Last Update: 2013-05-20