Hybrid heterosis and hybrid breakdown expressed by pathogen
infection in cyprinid fish

a 2023

Hybrid heterosis and hybrid breakdown expressed by pathogen infection in cyprinid fish

VETEŠNÍKOVÁ ŠIMKOVÁ, Andrea; Lukáš VETEŠNÍK; Kristína KŘÍŽOVÁ; Kristýna KOUKALOVÁ; POJEZDAL ĽUBOMÍR et al.

Základní údaje

Originální název

Hybrid heterosis and hybrid breakdown expressed by pathogen infection in cyprinid fish

Autoři

VETEŠNÍKOVÁ ŠIMKOVÁ, Andrea; Lukáš VETEŠNÍK; Kristína KŘÍŽOVÁ ; Kristýna KOUKALOVÁ; POJEZDAL ĽUBOMÍR; Václav HEJRET a Vojtěch BYSTRÝ

Vydání

XVII European Congress of Ichthyology 2023: 4th - 8th September 2023, Prague, 2023

Další údaje

Jazyk

angličtina

Typ výsledku

Konferenční abstrakt

Obor

10613 Zoology

Stát vydavatele

Česká republika

Utajení

není předmětem státního či obchodního tajemství

Odkazy

Abstract book, ECI XVII

Označené pro přenos do RIV

Ano

Kód RIV

RIV/00216224:14310/23:00139757

Organizační jednotka

Přírodovědecká fakulta

Klíčová slova anglicky

cyprinids; hybrids; heterosis; breakdown; parasites

Změněno: 14. 3. 2025 20:31, prof. RNDr. Andrea Vetešníková Šimková, PhD.

Anotace

V originále

The hybrids of F1 generations usually experience heterosis for fitness-related traits (including the resistance to parasites), whilst post-F1 generations, due to Dobzhansky–Muller genetic incompatibilities, express numerous disadvantageous traits (including susceptibility to parasites). Genetic disruption especially in post-F1 generations of hybrids may also result from the broken system of cyto-nuclear coadaptation. Maternal backcrosses (parents with the same mtDNA) and paternal backcrosses (parents with different mtDNA) have the same nuclear genetic compositions, but differ in cytoplasmic genetic elements, affecting their viability and survival. We used spring viremia of carp virus (SVCV), associated with common carp, to examine heterosis versus breakdown in hybrids of the cyprinid species - common carp and gibel carp. Common carp was highly susceptible to SVCV, whilst gibel carp was less susceptible. F1 generations exhibited heterosis advantage, with the expression of SVCV similar to that in less susceptible gibel carp. Paternal backcrosses and F2 generations, burdened by high cyto-nuclear incompatibility, tended to exhibit SVCV dynamics similar to that of highly susceptible common carp. The patterns of hybrid heterosis and hybrid breakdown were also revealed by measuring dynamics of anti-SVCV specific antibodies in blood serum. We employed high-throughput RNA sequencing to generate transcriptomic profiles of head kidney. Hybrid heterosis for F1 generations was mostly reflected by similarity in the down-regulation of differentially expressed genes corresponding to the viral infection disease. High hybrid breakdown was documented throughout the transcriptomic analysis for paternal backcross generations and F2 generation of hybrids, confirming the broken system of cyto-nuclear coadaptation in those post-F1 generations. This evidence may support the role of intrinsic selection acting against inter-specific hybridization in wild-living freshwater fish.

Návaznosti

GA19-10088S, projekt VaV

Název: Genetická disrupce u mezidruhových hybridů kaprovitých ryb: její dopad na kondici-asociované znaky, imunitu a parazitární zátěž

Investor: Grantová agentura ČR, Genetická disrupce u mezidruhových hybridů kaprovitých ryb: její dopad na fitness-asociované znaky, metabolické náklady, imunitu a parazitární zátěž

Citovat

VETEŠNÍKOVÁ ŠIMKOVÁ, Andrea; Lukáš VETEŠNÍK; Kristína KŘÍŽOVÁ; Kristýna KOUKALOVÁ; POJEZDAL ĽUBOMÍR; Václav HEJRET a Vojtěch BYSTRÝ. Hybrid heterosis and hybrid breakdown expressed by pathogen infection in cyprinid fish. In XVII European Congress of Ichthyology 2023: 4th - 8th September 2023, Prague. 2023.

@proceedings{2483994,
   author = {Vetešníková Šimková, Andrea and Vetešník, Lukáš and Křížová, Kristína and Koukalová, Kristýna and Ľubomír, POJEZDAL and Hejret, Václav and Bystrý, Vojtěch},
   booktitle = {XVII European Congress of Ichthyology 2023: 4th - 8th September 2023, Prague},
   keywords = {cyprinids; hybrids; heterosis; breakdown; parasites},
   language = {eng},
   title = {Hybrid heterosis and hybrid breakdown expressed by pathogen infection in cyprinid fish},
   url = {http://eci23.agrobiologie.cz/book-of-abstracts/},
   year = {2023}
}

TY  - CONF
ID  - 2483994
AU  - Vetešníková Šimková, Andrea - Vetešník, Lukáš - Křížová, Kristína - Koukalová, Kristýna - Ľubomír, POJEZDAL - Hejret, Václav - Bystrý, Vojtěch
PY  - 2023
TI  - Hybrid heterosis and hybrid breakdown expressed by pathogen infection in cyprinid fish
KW  - cyprinids
KW  - hybrids
KW  - heterosis
KW  - breakdown
KW  - parasites
UR  - http://eci23.agrobiologie.cz/book-of-abstracts/
N2  - The hybrids of F1 generations usually experience heterosis for fitness-related traits (including the resistance to parasites), whilst post-F1 generations, due to Dobzhansky–Muller genetic incompatibilities, express numerous disadvantageous traits (including susceptibility to parasites). Genetic disruption especially in post-F1 generations of hybrids may also result from the broken system of cyto-nuclear coadaptation. Maternal backcrosses (parents with the same mtDNA) and paternal backcrosses (parents with different mtDNA) have the same nuclear genetic compositions, but differ in cytoplasmic genetic elements, affecting their viability and survival. We used spring viremia of carp virus (SVCV), associated with common carp, to examine heterosis versus breakdown in hybrids of the cyprinid species - common carp and gibel carp. Common carp was highly susceptible to SVCV, whilst gibel carp was less susceptible. F1 generations exhibited heterosis advantage, with the expression of SVCV similar to that in less susceptible gibel carp. Paternal backcrosses and F2 generations, burdened by high cyto-nuclear incompatibility, tended to exhibit SVCV dynamics similar to that of highly susceptible common carp. The patterns of hybrid heterosis and hybrid breakdown were also revealed by measuring dynamics of anti-SVCV specific antibodies in blood serum. We employed high-throughput RNA sequencing to generate transcriptomic profiles of head kidney. Hybrid heterosis for F1 generations was mostly reflected by similarity in the down-regulation of differentially expressed genes corresponding to the viral infection disease. High hybrid breakdown was documented throughout the transcriptomic analysis for paternal backcross generations and F2 generation of hybrids, confirming the broken system of cyto-nuclear coadaptation in those post-F1 generations. This evidence may support the role of intrinsic selection acting against inter-specific hybridization in wild-living freshwater fish.
ER  -

VETEŠNÍKOVÁ ŠIMKOVÁ, Andrea; Lukáš VETEŠNÍK; Kristína KŘÍŽOVÁ; Kristýna KOUKALOVÁ; POJEZDAL ĽUBOMÍR; Václav HEJRET a Vojtěch BYSTRÝ. Hybrid heterosis and hybrid breakdown expressed by pathogen infection in cyprinid fish. In \textit{XVII European Congress of Ichthyology 2023: 4th - 8th September 2023, Prague}. 2023.

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