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Behavior of plastid nucleoids during male gametogenesis inPlumbago auriculata

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Summary

We characterized the behavior of plastid (pt) and mitochondrial (mt) nucleoids during malegametogenesis inPlumbago auriculata in three dimensions. The behavior of pt-nucleoids and mt-nucleoids differed throughout male gametogenesis.Pt-nucleoids were distibuted in a characteristic manner in three stages: in the early microspore, pt-nucleoids assemble around cell nucleus: in the mid-generative cell,pt-nucleoids gather at the internal side of the pollen: in the late-generative cell, pt-nucleoids aggregation turns its pole to the external side of the pollen. We also studied organelle nucleoids in the egg and the central cell by a method in which semi-thick sections of resin-embedded anthers and ovaries were observed by confocal laser scanning microscopy. The number of pt-nucleoids in the sperm cell did not differ significantly from that the behavior of DNA-containing organelles is regulated strictly during male gametogenes inP. auriculata, and that a biparental inheritance of plastids in the Plumbago embryo is more favored than was previously thought.

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Abbreviations

DAPI:

4′,6-diamidino-2-phenylindole

DiOC6 :

3,3′-dihexyloxacarbocyanine iodide

Sua :

sperm cell unassociated with vegetative nucleus

Svn :

sperm cell associated with vegetative nucleus

References

  • Kuroiwa H, Ohta T, Kuroiwa T (1996) Studies on the development and three-dimensional reconstruction of giant mitochondria and their nuclei in egg cells ofPelargonium zonale Ait. Protoplasma 192: 235–244

    Article  Google Scholar 

  • Kuroiwa T, Fujie M, Mita T, Kuroiwa H (1991) Application of embedding of samples in Technovit 7100 resin to observations of small amounts of DNA in the cellular organelles associated with cytoplasmic inheritance. Appl Fluor Tech 3: 23–25

    Google Scholar 

  • — Kuroiwa H, Fujie M (1992) Studies on the behavior of mitochon-drial DNA: synthesis of mitochondrial DNA occurs actively in a specific region just above the quiescent center in the root meri-stem ofPelargonium zonale. J Cell Sci 101:483–493

    CAS  Google Scholar 

  • Nagata N, Saito C, Sakai A, Kuroiwa H, Kuroiwa T (1999) The selec-tive increase or decrease of organellar DNA in generative cells just after pollen mitosis one controls cytoplasmic inheritance. Planta 209: 53–65

    Article  PubMed  CAS  Google Scholar 

  • Russell SD (1980) Participation of male cytoplasm during gamete fusion in an angiosperm,Plumbago zeylanica. Science 210: 200–201

    Article  PubMed  Google Scholar 

  • — (1984) Ultrastructure of the sperm ofPlumbago zeylanica 2: quantitative cytology and 3-dimensional organization. Planta 162: 385–391

    Article  Google Scholar 

  • — (1985) Preferential fertilization inPlumbago zeylanica: ultra-structural evidence for gamete-level recognition in an angiosperm. Proc Natl Acad Sci USA 82: 6129–6132

    Article  PubMed  CAS  Google Scholar 

  • — (1987) Quantitative cytology of the egg and central cell ofPlumbago zeylanica and its impact on cytoplasmic inheritance patterns. Theor Appl Genet 74: 693–699

    Article  Google Scholar 

  • — Cass DD (1981) Ultrastructure of the sperm ofPlumbago zeylanica 1: cytology and association with the vegetative nucleus. Protoplasma 107: 85–107

    Article  Google Scholar 

  • Strout GW, Stramski AK, Mislan TW, Thompson RA, Schoemann LM (1996) Microgametogenesis inPlumbago zeylanica (Plumbaginaceae) 1: descriptive cytology and three-dimensional organization. Am J Bot 83:1435–1453

    Article  Google Scholar 

  • Sakai A, Kawano S, Kuroiwa T (1992) Conversion of proplastids to amyloplasts in tobacco cultured cells is accompanied by changes in the transcriptional activities of plastid genes. Plant Physiol 100: 1062–1066

    Article  PubMed  CAS  Google Scholar 

  • Sodmergen, Chen GH, Hu ZM, Guo FL, Guan XL (1995) Male gametophyte development inPlumbago zeylanica: cytoplasm localization and cell determination in the early generative cells. Protoplasma 186: 79–86

    Article  Google Scholar 

  • Saito C, Fujie M, Sakai A, Kuroiwa H, Kuroiwa T (1997) Changes in the extent of the condensation of nuclear chromatin and the localization of RNA during pollen development inNicotiana tabacum. Cytologia 62:121–132

    CAS  Google Scholar 

  • ——— (1998) Detection and quantification of rRNA by high-resolution in situ hybridization in pollen grains. J Plant Res 111:45–52

    Article  CAS  Google Scholar 

  • — Hayashi M, Sakai A, Fujie M, Kuroiwa H, Kuroiwa T (1999) Improved sensitivity for high-resolution in situ hybridization using resin extraction of methyl methacrylate embedded mater-ial. Biotech Histochem 74: 40–48

    PubMed  CAS  Google Scholar 

  • Tanaka I (1991) Microtubule-determined plastid distribution during microsporogenesis inLilium longiflorum. J Cell Sci 99:21–31

    CAS  Google Scholar 

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Saito, C., Nagata, N., Sakai, A. et al. Behavior of plastid nucleoids during male gametogenesis inPlumbago auriculata . Protoplasma 216, 143–154 (2001). https://doi.org/10.1007/BF02673866

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  • DOI: https://doi.org/10.1007/BF02673866

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