Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Formation of Species

Formation of Species

Speciation describes the formation of one or more new species from one or sometimes multiple original species. The resulting species are discrete from the parent species, and barriers to reproduction will typically exist. There are two primary mechanisms, speciation with and without geographic isolation—allopatric and sympatric speciation, respectively.

Pollination and Flower Structure

Pollination and Flower Structure

Flowers are the reproductive, seed-producing structures of angiosperms. Typically, flowers consist of sepals, petals, stamens, and carpels. Sepals and petals are the vegetative flower organs. Stamens and carpels are the reproductive organs.

Genetics of Speciation

Genetics of Speciation

Speciation is the evolutionary process resulting in the formation of new, distinct species—groups of reproductively isolated populations.

Morphogenesis

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.

Frequency-dependent Selection

Frequency-dependent Selection

When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is referred to as frequency-dependent selection. Frequency-dependent selection may occur between species or within a single species. This type of selection can either be positive—with more common phenotypes having higher fitness—or negative, with rarer phenotypes conferring increased fitness.

Physiology of Smell and Olfactory Pathway

Physiology of Smell and Olfactory Pathway

Humans detect odors with the help of specialized cells located in the upper part of the nasal cavity, called olfactory receptor neurons (ORNs). ORNs possess hair-like structures called cilia, which are receptive to sensations from the inhaled air. When an odorant molecule binds to a specific receptor on the cell of the cilia, it leads to a series of events that ultimately cause the ORN to send electrical signals to the olfactory bulb in the brain through the olfactory nerves.
The olfactory...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Digest: Modelling autopolyploid establishment in a novel habitat.

Evolution; international journal of organic evolution·2025

Same author

Floral scent chemodiversity is associated with high floral visitor but low bacterial richness on flowers.

The New phytologist·2025

Same author

Repeated polyploidization shapes divergence in floral morphology in <i>Lithophragma bolanderi</i> (Saxifragaceae).

Proceedings of the National Academy of Sciences of the United States of America·2025

Same author

Winters restrict a climate change-driven butterfly range expansion despite rapid evolution of seasonal timing traits.

Proceedings of the National Academy of Sciences of the United States of America·2025

Same author

Deceptive Ceropegia sandersonii uses an arabinogalactan for trapping its fly pollinators.

The New phytologist·2025

Same author

Non-random sorting of parental chemical compounds during hybrid speciation.

Journal of evolutionary biology·2025

Same journal

Two Fatty Acids From Host Plant Leaves Are Attractive to Soritia leptatina Adults.

Journal of chemical ecology·2026

Same journal

Synergistic Effects of Maize Volatiles on Pheromone Trap Captures of the Fall armyworm, Spodoptera frugiperda (Lepidoptera: Noctuidae).

Journal of chemical ecology·2026

Same journal

Sharply Contrasting Chemotypes Coincide with Aggression and Divergence in Cryptic African Carpenter Ant Populations.

Journal of chemical ecology·2026

Same journal

Influence of Plant Secondary Metabolites on intake, Detoxification Costs, and Microbial Communities in Deer.

Journal of chemical ecology·2026

Same journal

Interfungal Volatile Signals Regulate Growth and Mycotoxin Production of Aspergillus parasiticus and Fusarium verticillioides in Maize Storage Systems.

Journal of chemical ecology·2026

Same journal

Endogenous Glandular Chemistry and Methyl Eugenol-derived Metabolites in the Pheromone Communication of Bactrocera umbrosa.

Journal of chemical ecology·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Jan 18, 2026

Rapid Collection of Floral Fragrance Volatiles using a Headspace Volatile Collection Technique for GC-MS Thermal Desorption Sampling

Rapid Collection of Floral Fragrance Volatiles using a Headspace Volatile Collection Technique for GC-MS Thermal Desorption Sampling

Published on: December 10, 2019

Direct Effects of Polyploidization on Floral Scent.

Elisabeth Schlager¹, Stefan Dötterl¹, John N Thompson²

¹Department of Environment and Biodiversity, University of Salzburg, Hellbrunner Strasse 34, Salzburg, 5020, Austria.

Journal of Chemical Ecology

|September 10, 2025

Summary

This summary is machine-generated.

Polyploidy, or having multiple sets of chromosomes, alters flowering plant scent. This study reveals how polyploidization impacts floral scent composition and emission, potentially affecting plant-pollinator relationships.

Keywords:

Established polyploids Floral evolution Floral scent Neopolyploids Polyploidy Synthetic polyploidization

More Related Videos

Field Experiments of Pollination Ecology: The Case of Lycoris sanguinea var. sanguinea

Field Experiments of Pollination Ecology: The Case of Lycoris sanguinea var. sanguinea

Published on: November 25, 2016

Whole-mount Clearing and Staining of Arabidopsis Flower Organs and Siliques

Whole-mount Clearing and Staining of Arabidopsis Flower Organs and Siliques

Published on: April 12, 2018

Related Experiment Videos

Last Updated: Jan 18, 2026

Rapid Collection of Floral Fragrance Volatiles using a Headspace Volatile Collection Technique for GC-MS Thermal Desorption Sampling

Rapid Collection of Floral Fragrance Volatiles using a Headspace Volatile Collection Technique for GC-MS Thermal Desorption Sampling

Published on: December 10, 2019

Field Experiments of Pollination Ecology: The Case of Lycoris sanguinea var. sanguinea

Field Experiments of Pollination Ecology: The Case of Lycoris sanguinea var. sanguinea

Published on: November 25, 2016

Whole-mount Clearing and Staining of Arabidopsis Flower Organs and Siliques

Whole-mount Clearing and Staining of Arabidopsis Flower Organs and Siliques

Published on: April 12, 2018

Area of Science:

Evolutionary biology
Plant science
Ecology

Background:

Polyploidy is a significant evolutionary force in flowering plants, influencing diversification.
While polyploidy affects floral morphology, its impact on floral scent remains largely unexplored.
Floral scent plays a crucial role in plant-pollinator interactions.

Purpose of the Study:

To investigate differences in floral scent between established polyploids and diploids in Lithophragma bolanderi.
To quantify the direct effects of polyploidization on floral scent by comparing synthetic neopolyploids with their diploid progenitors.

Main Methods:

Comparison of floral scent emission rates, compound diversity, and relative composition between natural diploid and tetraploid cytotypes of Lithophragma bolanderi.
Analysis of floral scent from synthetically generated neotetraploids and their diploid progenitors.

Main Results:

Established tetraploids exhibited higher floral scent emission rates and produced a greater number of scent compounds compared to diploids.
The relative scent composition differed significantly between established diploid and tetraploid cytotypes.
Neotetraploids showed scent differences in the same direction as established tetraploids, but to a lesser degree, indicating direct effects of polyploidization.

Conclusions:

Polyploidization directly reshapes floral scent in Lithophragma bolanderi, affecting both scent emission and composition.
These scent alterations may have significant implications for plant-pollinator interactions, particularly with specialized moth pollinators.
The study provides novel insights into the evolutionary consequences of polyploidy on floral communication.