Evidence map›Paper›PMID 34163036›Full record

ArticleHeredity2021

Seasonal changes in recombination characteristics in a natural population of Drosophila melanogaster.

Dau Dayal Aggarwal, Sviatoslav Rybnikov, Shaul Sapielkin, Eugenia Rashkovetsky, Zeev Frenkel, Manvender Singh, Pawel Michalak, Abraham B Korol

Open access · bronzeAbstract read
In one paragraph

Article in Heredity, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
1.4field-weighted citation impact, top 18% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

7 citing papers in PubMed, 14 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 4 institutions in 3 countries.

Dau Dayal Aggarwal *Department of Zoology, Banaras Hindu University, Varanasi, India. daudayal@south.du.ac.in.ORCID http://orcid.org/0000-0002-4095-9086
Sviatoslav Rybnikov *Institute of Evolution, University of Haifa, Haifa, Israel. sviatoslav.rybnikov@gmail.com.ORCID http://orcid.org/0000-0002-9288-8777
Shaul SapielkinInstitute of Evolution, University of Haifa, Haifa, Israel.
Eugenia RashkovetskyInstitute of Evolution, University of Haifa, Haifa, Israel.
Zeev FrenkelInstitute of Evolution, University of Haifa, Haifa, Israel.
Manvender SinghDepartment of Biotechnology, UIET, MD University, Rohtak, India.
Pawel MichalakInstitute of Evolution, University of Haifa, Haifa, Israel.
Abraham B KorolInstitute of Evolution, University of Haifa, Haifa, Israel. korol@evo.haifa.ac.il.ORCID http://orcid.org/0000-0002-3401-7068
University of Haifa · ILMaharshi Dayanand University · INUniversity of Delhi · INVirginia–Maryland College of Veterinary Medicine · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Environmental seasonality is a potent evolutionary force, capable of maintaining polymorphism, promoting phenotypic plasticity and causing bet-hedging. In Drosophila, environmental seasonality has been reported to affect life-history traits, tolerance to abiotic stressors and immunity. Oscillations in frequencies of alleles underlying fitness-related traits were also documented alongside SNPs across the genome. Here, we test for seasonal changes in two recombination characteristics, crossover rate and crossover interference, in a natural D. melanogaster population from India using morphological markers of the three major chromosomes. We show that winter flies, collected after the dry season, have significantly higher desiccation tolerance than their autumn counterparts. This difference proved to hold also for hybrids with three independent marker stocks, suggesting its genetic rather than plastic nature. Significant between-season changes are documented for crossover rate (in 9 of 13 studied intervals) and crossover interference (in four of eight studied pairs of intervals); both single and double crossovers were usually more frequent in the winter cohort. The winter flies also display weaker plasticity of both recombination characteristics to desiccation. We ascribe the observed differences to indirect selection on recombination caused by directional selection on desiccation tolerance. Our findings suggest that changes in recombination characteristics can arise even after a short period of seasonal adaptation (~8-10 generations).

Indexed as

DrosophilaDrosophila melanogasterAdaptation, PhysiologicalAnimalsRecombination, GeneticSeasons

Identifiers

PMID34163036
PMCPMC8405755
OpenAlexW3176692987

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.