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Related Concept Videos

Replicative Cell Senescence02:15

Replicative Cell Senescence

Replicative cell senescence is a property of cells that allows them to divide a finite number of times throughout the organism's lifespan while preventing excessive proliferation. Replicative senescence is associated with the gradual loss of the telomere — short, repetitive DNA sequences found at the end of the chromosomes. Telomeres are bound by a group of proteins to form a protective cap on the ends of chromosomes. Embryonic stem cells express telomerase — an enzyme that adds the telomeric...
Replicative Cell Senescence02:15

Replicative Cell Senescence

Replicative cell senescence is a property of cells that allows them to divide a finite number of times throughout the organism's lifespan while preventing excessive proliferation. Replicative senescence is associated with the gradual loss of the telomere — short, repetitive DNA sequences found at the end of the chromosomes. Telomeres are bound by a group of proteins to form a protective cap on the ends of chromosomes. Embryonic stem cells express telomerase — an enzyme that adds the telomeric...
Morphogenesis02:19

Morphogenesis

Plant morphogenesis—the development of a plant’s form and structure—involves several overlapping developmental processes, including growth and cell differentiation. Precursor cells differentiate into specific cell types, which are organized into the tissues and organ systems that make up the functional plant.
Primary and Secondary Growth in Roots and Shoots03:02

Primary and Secondary Growth in Roots and Shoots

Vascular plants, which account for over 90% of the Earth’s vegetation, all undergo primary growth—which lengthens roots and shoots. Many land plants, notably woody plants, also undergo secondary growth—which thickens roots and shoots.
Meristems and Plant Growth02:36

Meristems and Plant Growth

Plants grow throughout their lives; this is called indeterminate growth, and it distinguishes plants from most animals. Although certain parts of plants stop growing (e.g., leaves and flowers), others grow continuously—like roots and stems.
Responses to Heat and Cold Stress02:45

Responses to Heat and Cold Stress

Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.

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Updated: Jun 5, 2026

Techniques to Induce and Quantify Cellular Senescence
06:51

Techniques to Induce and Quantify Cellular Senescence

Published on: May 1, 2017

Plant senescence.

A Watkinson1

  • 1Andrew Watkinson is at the School of Biological Sciences, University of East Anglia, Norwich, UK NR4 7TJ.

Trends in Ecology & Evolution
|January 18, 2011
PubMed
Summary
This summary is machine-generated.

Plant senescence, the age-related decline in survival and reproduction, is debated in species with multiple reproductive events. Clonal growth may not always prevent this decline.

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Area of Science:

  • Evolutionary biology
  • Plant physiology
  • Gerontology

Background:

  • Senescence is defined as a decline in age-specific survival and fecundity.
  • This decline is linked to reduced physiological function in aging individuals.
  • Senescence is well-documented in plants with single reproductive events, but debated in those with multiple events.

Purpose of the Study:

  • To investigate the occurrence and patterns of senescence in plants with multiple reproductive events.
  • To determine if morphology or phylogeny influences senescence patterns.
  • To evaluate the role of clonal growth in plant senescence.

Main Methods:

  • Comparative analysis of senescence across different plant species.
  • Examination of reproductive strategies (single vs. multiple events).
  • Assessment of the impact of clonal growth on longevity and reproductive output.

Main Results:

  • Senescence patterns in plants with multiple reproductive events are variable, ranging from gradual to negligible.
  • No clear link was found between senescence patterns and plant morphology or phylogeny.
  • Clonal growth does not universally prevent senescence in plants.

Conclusions:

  • Senescence is a complex phenomenon in plants, not solely determined by reproductive strategy.
  • Further research is needed to understand the diverse mechanisms of plant aging.
  • The evolutionary implications of senescence in plants with varying life histories require continued investigation.