Abstract
The present study demonstrates that Cuscuta babylonicaChoisy has holocentric chromosomes. Evidence for this phenomenon comes from three different observations. (1) Mitosis: During metaphase and anaphase the sister-chromatids are situated parallel to the equatorial plane with no sign of localized kinetochore activity. (2) Inverted meiosis in microsporocytes. (3) X-rayed microsporocytes, in which the numerous chromosome fragments do not show any lagging or formation of micronuclei. We assume that only one out of the three subgenera in Cuscuta, namely subg. Cuscuta, has holocentric chromosomes, while the two other subgenera have monocentric chromosomes.
| Original language | English |
|---|---|
| Pages (from-to) | 105-109 |
| Number of pages | 5 |
| Journal | Plant Systematics and Evolution |
| Volume | 191 |
| Issue number | 1-2 |
| DOIs | |
| State | Published - Mar 1994 |
Keywords
- Cuscuta
- Cuscutaceae
- Holocentric chromosomes
- diffuse centromeres
- diffuse kinetochores
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