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  • 1
    Electronic Resource
    Electronic Resource
    SC-formation in someAllium species, and a discussion of the significance of SC-associated structures and of the mechanisms for presynaptic alignment (1988)
    Springer
    Plant systematics and evolution 158 (1988), S. 117-131 
    Details
    ISSN: 1615-6110
    Keywords: Angiosperms ; Liliaceae ; Allium montanum ; A. oleraceum ; A. sphaerocephalon ; Meiosis ; chromosome pairing ; synaptonemal complex ; homologous alignment ; pairing initiation ; telosynapsis ; axial thickenings
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Earlier observations on synaptonemal complex (SC) formation inAllium are supplemented by data from diploidA. sphaerocephalon, pentaploidA. oleraceum and allotetraploidA. senescens. Accumulating information about structures like lateral element thickenings and -doublings allows to draw conclusions about their nature. The occurrence of discrete intercalary and terminal homologous associations prior to synapsis is confirmed for a range ofAllium species and it is argued that they are a general phenomenon. Several hypotheses on homologous recognition and/or attraction are discussed in the light of the observations on homologous alignment inAllium.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00936338
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