The characterization of color mutations in Bangiaceae (Bangiales, Rhodophyta)

  • Jinfeng Wang
  • Pu Xu
  • Jianyi Zhu
  • Wei Zhou
  • Jianrong Xu
  • Xiugeng Fei
  • Xuecheng Zhang
Part of the Developments in Applied Phycology book series (DAPH, volume 2)


The color mutations in Bangiaceae were investigated by treating the blades, conchocelis and conchospores phase of Bangia sp., Porphyra yezoensis, and P. haitanensis sampled in China with mutagen N-methyl-N′-nitro-N-nitrosoguanidine (MNNG). A high percentage of mutation in different expression characteristics in all three phases were shown within optimum mutagen concentrations. Among mutagenized blades, mutations occurred on single cells, which is a direct outcome of mutation of haploid cells. The mutation of mutagenized conchocelis resulted in a two-step process: low-level expression in conchocelis phase, and high-level expression in progeny, explaining that mutation took place in diploid cells. The mutations of conchospores were expressed immediately at germination of spores, indicating a change in ploidy. This paper reports the process of meiosis and its effect on frond development, and the relation between color mutations and morphological characteristics expressed by mutations in Bangiaceae.


Bangiaceae Color mutations Development Meiosis Mutagenesis 


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Copyright information

© Springer Science + Business Media B.V. 2007

Authors and Affiliations

  • Jinfeng Wang
    • 1
    • 2
  • Pu Xu
    • 1
  • Jianyi Zhu
    • 1
  • Wei Zhou
    • 1
  • Jianrong Xu
    • 1
  • Xiugeng Fei
    • 3
  • Xuecheng Zhang
    • 4
  1. 1.Department of BiologyChangshu Institute of TechnologyChangshuChina
  2. 2.College of Life ScienceNanjing Normal UniversityNanjingChina
  3. 3.Institute of Oceanology, Chinese Academy of SciencesTsingdaoChina
  4. 4.College of Marine Life ScienceChinese Ocean UniversityTsingdaoChina

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