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Record W3005449183 · doi:10.1002/9781119432401.ch4

Biochemical and Molecular Markers: Unraveling Their Potential Role in Screening Germplasm for Thermotolerance

2020· other· en· W3005449183 on OpenAlexaff
Ahmed Ismail, Kareem A. Mosa, Muna A. Ali, Eman A. Helmy

Bibliographic record

Venuenot available
Typeother
Languageen
FieldAgricultural and Biological Sciences
TopicPlant Genetic and Mutation Studies
Canadian institutionsUniversity of Toronto
Fundersnot available
KeywordsBiologyGermplasmGenetic diversityGenetic markerComputational biologyGeneticsMolecular markerGeneIdentification (biology)Molecular geneticsGenomeEvolutionary biologyEcologyPopulation

Abstract

fetched live from OpenAlex

The application and protection of biodiversity have become easier and more proficient with the utilization of biochemical and molecular markers. As such, phylogenetic relations can be determined, redundancies in a germplasm bank can be identified, and new genes can be found. These technologies can also be used in studies examining plant genetic diversity worldwide. Biochemical (protein) and molecular (DNA) markers have been verified to be powerful tools via several applications in plant genetics. They enable scientists to examine the polymorphism of DNA sequences at a specific number of sites or loci spread over the genome. More precisely, biochemical markers can reveal the polymorphism of sequences of specific proteins as well as indirectly identify polymorphism of the DNA sequences from which they are translated. On the other hand, molecular markers directly reveal the polymorphism of the targeted DNA sequences regardless of whether they correspond to the coding regions. Genetic conservation can be most effective when we build upon knowledge of genetic diversity as well as establish new and powerful approaches that will result in cost-effective identification of useful germplasm genes. For their sustainable conservation, efficient use of genetic resources is essential. In this chapter, we aim to understand the key scientific concepts underlying biochemical and molecular marker technologies and their use as plant genetic resources for thermotolerance. In addition, we will discuss a comparison of the advantages and limitations of each technology in determining the most appropriate decisions for specific research situations. As genetic variations can be assessed by examining the genotype and/or phenotype, genetic markers are a measurable strategy to determine the characteristics of both the former and latter. Utilizing both measures, the use of inheritance evaluation and the analysis of the distribution of characteristics in each parent and offspring may be correlated.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.001
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Other · Consensus signal: none
Teacher disagreement score0.002
Threshold uncertainty score0.008

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.001
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0020.002
Science and technology studies0.0000.001
Scholarly communication0.0020.003
Open science0.0010.001
Research integrity0.0020.003
Insufficient payload (model declined to judge)0.0020.002

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.012
GPT teacher head0.203
Teacher spread0.191 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designBench or experimental
Domainnot available
GenreOther

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations3
Published2020
Admission routes1
Has abstractyes

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Same topicPlant Genetic and Mutation StudiesFrench-language works237,207