Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Microbial Phylogeny01:28

Microbial Phylogeny

Understanding the evolutionary relationships among microorganisms is fundamental to microbial ecology and taxonomy. Phylogenetic trees are essential tools for inferring these relationships, relying primarily on comparative analyses of molecular sequences such as DNA, RNA, or proteins. In microbial studies, these trees typically depict the evolutionary paths of diverse bacterial and archaeal species by mapping genetic differences accumulated over time.Phylogenetic trees are composed of tips,...
Phylogeny01:23

Phylogeny

Phylogeny is concerned with the evolutionary diversification of organisms or groups of organisms. A group of organisms with a name is called a taxon (singular). Taxa (plural) can span different levels of the evolutionary hierarchy. For instance, the group containing all birds is a taxon (comprising the class Aves), and the group of all species of daisies (the genus Bellis) is a taxon. Phylogenies can likewise include just one genus (i.e., depict species relationships) or span an entire...
Phylogenetic Trees03:21

Phylogenetic Trees

Phylogenetic trees come in many forms. It matters in which sequence the organisms are arranged from the bottom to the top of the tree, but the branches can rotate at their nodes without altering the information. The lines connecting individual nodes can be straight, angled, or even curved.The length of the branches can depict time or the relative amount of change among organisms. For instance, the branch length might indicate the number of amino acid changes in the sequence that underlies the...
Phylogenetic Trees03:21

Phylogenetic Trees

Phylogenetic trees come in many forms. It matters in which sequence the organisms are arranged from the bottom to the top of the tree, but the branches can rotate at their nodes without altering the information. The lines connecting individual nodes can be straight, angled, or even curved.The length of the branches can depict time or the relative amount of change among organisms. For instance, the branch length might indicate the number of amino acid changes in the sequence that underlies the...
Gene Evolution - Fast or Slow?02:05

Gene Evolution - Fast or Slow?

The genomes of eukaryotes are punctuated by long stretches of sequence which do not code for proteins or RNAs. Although some of these regions do contain crucial regulatory sequences, the vast majority of this DNA serves no known function. Typically, these regions of the genome are the ones in which the fastest change, in evolutionary terms, is observed, because there is typically little to no selection pressure acting on these regions to preserve their sequences.
In contrast, regions which code...
Gene Evolution - Fast or Slow?02:05

Gene Evolution - Fast or Slow?

The genomes of eukaryotes are punctuated by long stretches of sequence which do not code for proteins or RNAs. Although some of these regions do contain crucial regulatory sequences, the vast majority of this DNA serves no known function. Typically, these regions of the genome are the ones in which the fastest change, in evolutionary terms, is observed, because there is typically little to no selection pressure acting on these regions to preserve their sequences.
In contrast, regions which code...

You might also read

Related Articles

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

Sort by
Same author

"One-Stop" Simultaneous TEVAR and Renal Denervation for Stanford Type B Aortic Dissection Complicated by Refractory Hypertension.

JACC. Case reports·2026
Same author

Nurses' Behaviours and Implementation Factors Towards Promoting Mobility Among Hospitalized Older Adults in China: A Mixed Method Study.

Nursing open·2026
Same author

The Wnt/StarD7 axis protects retinal ganglion cells from glutamate excitotoxicity by inhibiting ferroptosis.

Biology direct·2026
Same author

A nomogram for predicting the risk of bronchopulmonary dysplasia in preterm infants: a prospective multicenter study.

Frontiers in pediatrics·2026
Same author

A Pilot Serum Metabolomics Reveals Mitochondrial Dysfunction and Identifies Methylguanidine as a Potential Diagnostic Biomarker for ATAAD with Mesenteric Malperfusion Syndrome.

Metabolites·2026
Same author

Randomized Trial of Adjunctive Prednisolone for Kawasaki Disease.

The New England journal of medicine·2026

Related Experiment Video

Updated: Jun 8, 2026

Reconstructing Terrestrial Paleoclimate and Paleoecology with Fossil Leaves Using Digital Leaf Physiognomy and Leaf Mass Per Area
10:14

Reconstructing Terrestrial Paleoclimate and Paleoecology with Fossil Leaves Using Digital Leaf Physiognomy and Leaf Mass Per Area

Published on: October 25, 2024

Phylogeny of Pyroleae (Ericaceae): implications for character evolution.

Zhen-Wen Liu1, Ze-Huan Wang, Jing Zhou

  • 1Key Laboratory of Biodiversity and Biogeography, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650204, China.

Journal of Plant Research
|September 24, 2010
PubMed
Summary

This study clarifies the evolutionary relationships within the Pyroleae subfamily (Ericaceae). The findings confirm the monophyly of Pyroleae and reveal a close evolutionary link between Pyrola, Moneses, and Chimaphila.

More Related Videos

Scanning Electron Microscopy (SEM) Protocols for Problematic Plant, Oomycete, and Fungal Samples
10:57

Scanning Electron Microscopy (SEM) Protocols for Problematic Plant, Oomycete, and Fungal Samples

Published on: February 3, 2017

Related Experiment Videos

Last Updated: Jun 8, 2026

Reconstructing Terrestrial Paleoclimate and Paleoecology with Fossil Leaves Using Digital Leaf Physiognomy and Leaf Mass Per Area
10:14

Reconstructing Terrestrial Paleoclimate and Paleoecology with Fossil Leaves Using Digital Leaf Physiognomy and Leaf Mass Per Area

Published on: October 25, 2024

Scanning Electron Microscopy (SEM) Protocols for Problematic Plant, Oomycete, and Fungal Samples
10:57

Scanning Electron Microscopy (SEM) Protocols for Problematic Plant, Oomycete, and Fungal Samples

Published on: February 3, 2017

Area of Science:

  • Botany
  • Plant Systematics
  • Evolutionary Biology

Background:

  • The Pyroleae (Ericaceae) comprise four genera widely distributed in Northern Hemisphere temperate forests.
  • Understanding their phylogenetic relationships is crucial for exploring subfamily evolution.

Purpose of the Study:

  • To investigate the phylogenetic relationships among Pyroleae genera.
  • To explore the evolution of key characteristics within the subfamily.

Main Methods:

  • Phylogenetic analyses using maximum parsimony and Bayesian methods.
  • Utilized nuclear ribosomal DNA (nrDNA) ITS and three chloroplast DNA (cpDNA) intergenic spacers (atpB-rbcL, trnS-trnG, and trnL-trnF).

Main Results:

  • cpDNA and combined cpDNA + ITS data strongly support the monophyly of Pyroleae.
  • A sister relationship was identified between Pyrola and the Moneses-Chimaphila clade, with Orthilia as the basal lineage.
  • The Moneses-Chimaphila sister-group relationship is supported by multiple synapomorphies, including pollen type and chromosome number (x=13).

Conclusions:

  • The study confirms the monophyly of Pyroleae and establishes a clear evolutionary framework for its genera.
  • Potential hybrid origins for Orthilia are suggested, warranting further investigation.