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

Global Climate Change01:50

Global Climate Change

29.0K
Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
29.0K
What is Climate?01:16

What is Climate?

20.9K
Climate refers to the prevailing weather conditions in a specific area over an extended period. As the saying goes, “Climate is what you expect. Weather is what you get.” Climate is influenced by geographic factors, such as latitude, terrain, and proximity to bodies of water.
20.9K
The Tongue and Taste Buds00:49

The Tongue and Taste Buds

41.1K
The surface of the tongue is covered with various small bumps called papillae, which either distribute what has been ingested (filiform papillae) or contain the sensory taste (or gustatory) receptor cells (fungiform, circumvallate, and foliate papillae). Embedded within each taste-related papilla are the taste buds—clusters of 30 to 100 gustatory receptor cells.
41.1K
Benzene to 1,4-Cyclohexadiene: Birch Reduction Mechanism01:18

Benzene to 1,4-Cyclohexadiene: Birch Reduction Mechanism

2.7K
Birch reduction uses solvated electrons as reducing agents. The reaction converts benzene to 1,4-cyclohexadiene. The reaction proceeds by the transfer of a single electron to the ring to form a benzene radical anion. This anion is highly basic—it abstracts a proton from the alcohol to form a cyclohexadienyl radical. Another single electron transfer gives the cyclohexadienyl anion. A proton transfer from the alcohol forms 1,4-cyclohexadiene. Since this reduction occurs via radical anion...
2.7K
Taste Buds and Receptors01:20

Taste Buds and Receptors

5.3K
Gustation, or the sense of taste, is intrinsically linked to the anatomical structures located on the tongue. This organ's surface, along with the entirety of the oral cavity, is adorned with stratified squamous epithelium. Evident on the tongue are elevated structures known as papillae (singular = papilla), which house the mechanisms for the transduction of gustatory stimuli. Four distinct types of papillae exist, each identified by their unique morphological attributes: the circumvallate,...
5.3K
Phase Contrast and Differential Interference Contrast Microscopy01:26

Phase Contrast and Differential Interference Contrast Microscopy

13.7K
Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
13.7K

You might also read

Related Articles

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

Sort by
Same author

[The modular strategy for the informational support of medical activities based at the spa and health resort facilities under conditions of infrastructure deficit].

Voprosy kurortologii, fizioterapii, i lechebnoi fizicheskoi kultury·2018
Same author

Dehydrin stress proteins in Pinus sylvestris L. needles under conditions of extreme climate of Yakutia.

Doklady. Biochemistry and biophysics·2017
Same author

[Radioecological situation in the impact zone of the accidental underground nuclear explosion "Kraton-3" in the Republic of Sakha (Yakutia)].

Radiatsionnaia biologiia, radioecologiia·2015
Same author

Characteristics of seasonal dynamics of Betula platyphylla Sukacz. Dehydrins associated with frost hardiness development under the cryolitic zone conditions.

Doklady biological sciences : proceedings of the Academy of Sciences of the USSR, Biological sciences sections·2011
Same author

Genetic diversity in Siberian crane (Grus leucogeranus) based on mitochondrial DNA D-loop polymorphism.

Doklady biological sciences : proceedings of the Academy of Sciences of the USSR, Biological sciences sections·2004
Same author

Characterization of an aldehyde dehydrogenase gene fragment from mung bean (Vigna radiata) using the polymerase chain reaction.

Advances in experimental medicine and biology·1999

Related Experiment Video

Updated: Feb 5, 2026

Analysis of the Development of a Morphological Phenotype as a Function of Protein Concentration in Budding Yeast
15:02

Analysis of the Development of a Morphological Phenotype as a Function of Protein Concentration in Budding Yeast

Published on: March 24, 2010

11.2K

DEHYDRIN- STRESS PROTEINS OF BIRCH BUDS IN CONTRASTING CLIMATIC REGIONS.

T D Tatarinova, V V Budyakina, L V Vetchinnikova

    Tsitologiia
    |September 11, 2018
    PubMed
    Summary

    Silver birch (Betula pendula Roth) dehydrins, particularly low molecular weight ones (14-21 kDa), increase in autumn and winter, correlating with enhanced frost resistance. Dehydrin levels also show adaptation to extreme climates, especially in Yakutia.

    More Related Videos

    Identification of Functional Protein Regions Through Chimeric Protein Construction
    11:39

    Identification of Functional Protein Regions Through Chimeric Protein Construction

    Published on: January 8, 2019

    10.9K
    Protein Purification Technique that Allows Detection of Sumoylation and Ubiquitination of Budding Yeast Kinetochore Proteins Ndc10 and Ndc80
    12:28

    Protein Purification Technique that Allows Detection of Sumoylation and Ubiquitination of Budding Yeast Kinetochore Proteins Ndc10 and Ndc80

    Published on: May 3, 2015

    12.7K

    Related Experiment Videos

    Last Updated: Feb 5, 2026

    Analysis of the Development of a Morphological Phenotype as a Function of Protein Concentration in Budding Yeast
    15:02

    Analysis of the Development of a Morphological Phenotype as a Function of Protein Concentration in Budding Yeast

    Published on: March 24, 2010

    11.2K
    Identification of Functional Protein Regions Through Chimeric Protein Construction
    11:39

    Identification of Functional Protein Regions Through Chimeric Protein Construction

    Published on: January 8, 2019

    10.9K
    Protein Purification Technique that Allows Detection of Sumoylation and Ubiquitination of Budding Yeast Kinetochore Proteins Ndc10 and Ndc80
    12:28

    Protein Purification Technique that Allows Detection of Sumoylation and Ubiquitination of Budding Yeast Kinetochore Proteins Ndc10 and Ndc80

    Published on: May 3, 2015

    12.7K

    Area of Science:

    • Plant Physiology
    • Molecular Biology
    • Biochemistry

    Background:

    • Dehydrins are crucial stress proteins involved in plant adaptation to environmental stresses.
    • Silver birch (Betula pendula Roth) is a key species for studying cold hardiness in boreal ecosystems.
    • Understanding dehydrin expression patterns is vital for assessing plant resilience to climate change.

    Purpose of the Study:

    • To identify and characterize dehydrins in silver birch buds from contrasting climatic regions (Karelia and Central Yakutia).
    • To investigate the seasonal dynamics and molecular weight variations of dehydrins in relation to frost resistance.
    • To explore intraspecific polymorphism of dehydrins under extreme continental climate conditions.

    Main Methods:

    • Immunodetection using specific antibodies to identify dehydrins in silver birch buds.
    • Analysis of dehydrin molecular weight distribution (medium: 56-73 kDa, low: 14-21 kDa).
    • Comparison of dehydrin levels and polymorphism between birch populations from Karelia and Central Yakutia.

    Main Results:

    • Dehydrins were detected in two molecular weight ranges: 56-73 kDa and 14-21 kDa, with a 17 kDa dehydrin present in all studied birches.
    • Low molecular weight dehydrins (14-21 kDa) exhibited significant seasonal variation, increasing in autumn and winter.
    • A pronounced increase in 14-21 kDa dehydrins was observed during periods of highest frost resistance.
    • Intraspecific dehydrin polymorphism was more evident in Yakutian birch populations, suggesting adaptation to extreme continental climates.

    Conclusions:

    • Seasonal accumulation of low molecular weight dehydrins in silver birch buds is closely linked to enhanced frost resistance.
    • Dehydrin expression patterns and polymorphism in Betula pendula reflect adaptive strategies to diverse and extreme climatic conditions.
    • Yakutian birch populations display a higher degree of dehydrin polymorphism, indicating adaptation to severe winter temperatures in permafrost zones.