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Literature DB >> 19626460

Change of season-specific telomere lengths in Ginkgo biloba L.

Han Song¹, Di Liu, Xin Chen, Zehua Ying, Bo Zhang, Fenglan Li, Hai Lu.

Abstract

Telomeres have lately received considerable attention in the development of tree species. Normal somatic cells have limited replicative capacity and telomeres get shorten with each round of DNA replication. For broad-leaved tree species, to determine what changes happen to their somatic cells in its annual development cycle, an exhaustive research on different ages of gingko trees telomere length changes was carried out. Analysis of changes in leaf telomere lengths in the annual development cycle of Ginkgo biloba L. showed no significant changes (P > 0.05) from April to August, but a dramatic decrease in September and October (P < 0.05). Statistical analyses showed that TRF length of males and females are equal, the p values of the three age groups comparison were all bigger than 0.05. The results showed that specific apoptotic changes occur in the annual development cycle of Ginkgo biloba L.

Entities: Species

Mesh：

Year: 2009 PMID： 19626460 DOI： 10.1007/s11033-009-9627-y

Source DB: PubMed Journal: Mol Biol Rep ISSN： 0301-4851 Impact factor: 2.316

24 in total

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6 in total

Change of season-specific telomere lengths in Ginkgo biloba L.

1. p53 deficiency rescues the adverse effects of telomere loss and cooperates with telomere dysfunction to accelerate carcinogenesis.

2. Comparative analysis of telomere lengths and erosion with age in human epidermis and lingual epithelium.

3. Telomerase is processive.

4. Developmental control of telomere lengths and telomerase activity in plants.

5. Origin of concatemeric T7 DNA.

6. Analysis of telomere length and telomerase activity in tree species of various life-spans, and with age in the bristlecone pine Pinus longaeva.

7. Telomeres shorten during ageing of human fibroblasts.

8. Characterization of the Nicotiana tabacum L. genome by molecular cytogenetics.

9. Telomere length predicts replicative capacity of human fibroblasts.

10. Comparative analysis of telomeric restriction fragment lengths in different tissues of Ginkgo biloba trees of different age.

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6. Sex- and season-dependent differences in telomere length and telomerase activity in the leaves of ash and willow.