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International Journal of Plant Biology is published by MDPI from Volume 13 Issue 1 (2022). Previous articles were published by another publisher in Open Access under a CC-BY (or CC-BY-NC-ND) licence, and they are hosted by MDPI on mdpi.com as a courtesy and upon agreement with PAGEPress.
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Article

Relationship between Nuclear DNA-Content of Sperm Cells and the Timing of Events in the Cell Cycle of Brassica campestris L. (Brassicaceae)

by
Hua Deng
1,2
1
School of Life Sciences, Xiamen University, Xiamen 361005, China
2
Centre for Computational Systems Biology, Fudan University, 220 Handan Road, Shanghai 200433, China
Int. J. Plant Biol. 2016, 7(1), 6336; https://doi.org/10.4081/pb.2016.6336
Submission received: 30 November 2015 / Revised: 20 January 2016 / Accepted: 20 January 2016 / Published: 19 September 2016

Abstract

In this work we conducted a quantitative analysis of the nuclear DNA-content of developing sperm cells of the plant Brassica campestris L. The sperm cells were in young pollen grain, mature pollen grain and pollen tubes. When generative cells, at the pre-anthesis stage, split into two sperm cells, we have established that the newly-formed sperm cells begin to synthesize nuclear DNA in developing pollen grain of B. campestris. We measured this DNA-content during the development of sperm cells. The results indicate that during development, sperm cells of B. campestris have passed the G1 phase of the cell cycle and entered the S phase, presumably then fusing with egg cells at a level of 2C, as is characteristic of G2 type fertilization in angiosperms.
Keywords: sexual reproduction; Relative Fluorescence Units; C value units; nuclear fertilization sexual reproduction; Relative Fluorescence Units; C value units; nuclear fertilization

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MDPI and ACS Style

Deng, H. Relationship between Nuclear DNA-Content of Sperm Cells and the Timing of Events in the Cell Cycle of Brassica campestris L. (Brassicaceae). Int. J. Plant Biol. 2016, 7, 6336. https://doi.org/10.4081/pb.2016.6336

AMA Style

Deng H. Relationship between Nuclear DNA-Content of Sperm Cells and the Timing of Events in the Cell Cycle of Brassica campestris L. (Brassicaceae). International Journal of Plant Biology. 2016; 7(1):6336. https://doi.org/10.4081/pb.2016.6336

Chicago/Turabian Style

Deng, Hua. 2016. "Relationship between Nuclear DNA-Content of Sperm Cells and the Timing of Events in the Cell Cycle of Brassica campestris L. (Brassicaceae)" International Journal of Plant Biology 7, no. 1: 6336. https://doi.org/10.4081/pb.2016.6336

APA Style

Deng, H. (2016). Relationship between Nuclear DNA-Content of Sperm Cells and the Timing of Events in the Cell Cycle of Brassica campestris L. (Brassicaceae). International Journal of Plant Biology, 7(1), 6336. https://doi.org/10.4081/pb.2016.6336

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