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

Key Elements for Plant Nutrition

Key Elements for Plant Nutrition

Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the...

Pharmacogenetic Phenotypes: Alterations in Pharmacokinetics, Drug Targets and Biologic Milieu

Pharmacogenetic Phenotypes: Alterations in Pharmacokinetics, Drug Targets and Biologic Milieu

Genetic variations significantly influence drug response through pharmacokinetics, receptor interactions, and biologic milieu modifications. Pharmacokinetic alterations impact drug metabolism and clearance, affecting efficacy and toxicity. Variants in drug-metabolizing enzymes, such as CYP2C9 and CYP2C19, alter drug activation and elimination. For example, CYP2C9 loss-of-function variants require lower warfarin doses to prevent excessive bleeding, while CYP2C19 variants reduce clopidogrel...

The Phosphorus Cycle

The Phosphorus Cycle

Unlike carbon, water, and nitrogen, phosphorus is not present in the atmosphere as a gas. Instead, most phosphorus in the ecosystem exists as compounds, such as phosphate ions (PO43-), found in soil, water, sediment and rocks. Phosphorus is often a limiting nutrient (i.e., in short supply). Consequently, phosphorus is added to most agricultural fertilizers, which can cause environmental problems related to runoff in aquatic ecosystems.

Background and Environment Affect Phenotype

Background and Environment Affect Phenotype

Although the genetic makeup of an organism plays a major role in determining the phenotype, there are also several environmental factors, such as temperature, oxygen availability, presence of mutagens, that can alter an organism’s phenotype.
An example of how genetic background affects phenotype can be seen in horses. The Extension gene in horses is responsible for their coat color. A wild-type gene (EE) produces black pigment in the coat, while a mutant gene (ee) produces red pigment. A...

Pharmacogenetics of Phase I Enzymes: Cytochrome P450 Isozymes

Pharmacogenetics of Phase I Enzymes: Cytochrome P450 Isozymes

Cytochrome P450 (CYP450) enzymes are a superfamily of heme-containing monooxygenases that play a pivotal role in Phase I drug metabolism by catalyzing oxidation and reduction reactions.These enzymes transform lipophilic xenobiotics into more hydrophilic metabolites, facilitating subsequent Phase II conjugation and eventual excretion. The CYP450 family is classified into families (e.g., CYP1–CYP3) and subfamilies (e.g., CYP2A, CYP2C), based on amino acid sequence homology.CYP450...

Factors Influencing Microbial Growth: pH

Factors Influencing Microbial Growth: pH

Microorganisms are classified as acidophiles, neutrophiles, or alkaliphiles based on their pH growth preferences, reflecting their adaptations to specific environments. Maintaining a stable intracellular pH is critical for macromolecular stability and enzymatic activity, which can be challenged by external pH variations.Neutrophiles, such as Escherichia coli, grow optimally between pH 5.5 and 8.0. These microorganisms inhabit neutral or slightly acidic environments and employ mechanisms like...

You might also read

Related Articles

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

Sort by

Same author

Evaluating TROPOMI and MODIS performance to capture the dynamic of air pollution in São Paulo state: A case study during the COVID-19 outbreak.

Remote sensing of environment·2023

Same author

How mobility restrictions policy and atmospheric conditions impacted air quality in the State of São Paulo during the COVID-19 outbreak.

Environmental research·2021

Same author

Diallel analysis for technological traits in upland cotton.

Genetics and molecular research : GMR·2017

Same author

Estimates of repeatability coefficients and the number of the optimum measure to select superior genotypes in Annona muricata L.

Genetics and molecular research : GMR·2017

Same author

Minimum number of measurements for evaluating Bertholletia excelsa.

Genetics and molecular research : GMR·2017

Same author

Identification of soybean genotypes with high stability for the Brazilian macro-region 402 via biplot analysis.

Genetics and molecular research : GMR·2017

Same journal

Diallel crosses for resistance to Macrophomina phaseolina and Thanatephorus cucumeris on cowpea.

Genetics and molecular research : GMR·2017

Same journal

Diversity among elephant grass genotypes using Bayesian multi-trait model.

Genetics and molecular research : GMR·2017

Same journal

Coupled transcript and metabolite identification: insights on induction and synthesis of resveratrol in peanut, wild relatives and synthetic allotetraploid.

Genetics and molecular research : GMR·2017

Same journal

Estimates of genetics and phenotypics parameters for the yield and quality of soybean seeds.

Genetics and molecular research : GMR·2017

Same journal

In silico modeling and characterization of phytoparasitic nematodes translationally-controlled tumor proteins.

Genetics and molecular research : GMR·2017

Same journal

Molecular identification of variety purity in a cotton hybrid with unknown parentage using DNA-SSR markers.

Genetics and molecular research : GMR·2017

See all related articles

Search research articles

Related Experiment Video

Updated: Mar 14, 2026

A Simple Protocol for Mapping the Plant Root System Architecture Traits

A Simple Protocol for Mapping the Plant Root System Architecture Traits

Published on: February 10, 2023

Mixed models identify physic nut genotypes adapted to environments with different phosphorus availability.

P E Teodoro¹, B G Laviola², L D Martins³

¹Departamento de Biologia Geral, Universidade Federal de Viçosa, Viçosa, MG, Brasil eduteodoro@hotmail.com.

Genetics and Molecular Research : GMR

|October 6, 2016

Summary

This summary is machine-generated.

This study screened physic nut (Jatropha curcas) genotypes for phosphorus use efficiency. Genotype Paraíso showed high adaptability and stability, while CNPAE-C2 responded positively to phosphorus fertilization.

More Related Videos

Hydroponics: A Versatile System to Study Nutrient Allocation and Plant Responses to Nutrient Availability and Exposure to Toxic Elements

Hydroponics: A Versatile System to Study Nutrient Allocation and Plant Responses to Nutrient Availability and Exposure to Toxic Elements

Published on: July 13, 2016

Measuring Phosphorus Release in Laboratory Microcosms for Water Quality Assessment

Measuring Phosphorus Release in Laboratory Microcosms for Water Quality Assessment

Published on: July 22, 2019

Related Experiment Videos

Last Updated: Mar 14, 2026

A Simple Protocol for Mapping the Plant Root System Architecture Traits

A Simple Protocol for Mapping the Plant Root System Architecture Traits

Published on: February 10, 2023

Hydroponics: A Versatile System to Study Nutrient Allocation and Plant Responses to Nutrient Availability and Exposure to Toxic Elements

Hydroponics: A Versatile System to Study Nutrient Allocation and Plant Responses to Nutrient Availability and Exposure to Toxic Elements

Published on: July 13, 2016

Measuring Phosphorus Release in Laboratory Microcosms for Water Quality Assessment

Measuring Phosphorus Release in Laboratory Microcosms for Water Quality Assessment

Published on: July 22, 2019

Area of Science:

Agricultural Science
Plant Physiology
Genetics

Background:

Phosphorus (P) is crucial for plant growth and development.
Understanding genotypic variations in P use is vital for optimizing crop yields.
Physic nut (Jatropha curcas) is an important oilseed crop with varying P requirements.

Purpose of the Study:

To screen physic nut genotypes for differences in phosphorus (P) use efficiency.
To evaluate genotype by environment interactions related to P availability.
To identify stable and adaptable genotypes for varied soil P conditions.

Main Methods:

Conducted a greenhouse experiment using a 10 x 3-factorial design with ten physic nut genotypes and two soil P levels (10 and 60 mg/dm³).
Utilized mixed models and harmonic mean of relative performance for assessing stability and adaptability.
Evaluated plant height, stem diameter, root volume, dry matter accumulation, and P use efficiency after 100 days.

Main Results:

Significant genotype by environment interactions were observed, highlighting the impact of P availability on physic nut traits.
Genotype Paraíso demonstrated high adaptability and stability for aerial part dry matter, total dry matter, and P translocation efficiency.
Genotype CNPAE-C2 exhibited increased total and aerial part dry matter in response to higher P availability.

Conclusions:

Physic nut genotypes vary significantly in their response to phosphorus availability.
Genotype Paraíso is a promising candidate for cultivation in diverse soil P conditions due to its stability and adaptability.
Genotype CNPAE-C2 benefits from phosphorus fertilization, suggesting its potential for high-input systems.