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Table 3 Positional candidate genes categorized by function for windows explaining the largest percentage of genetic variation

From: Identification of quantitative trait loci for body temperature, body weight, breast yield, and digestibility in an advanced intercross line of chickens under heat stress

Function

Trait

Gene name

Description

Disruption of DNA synthesis, transcription, RNA processing, and translation

BW21

HHEX

Gallus gallus hematopoietically expressed homeobox (HHEX), mRNA. [Source:RefSeq mRNA;Acc:NM_205252]

BT20

MED9

Gallus gallus mediator complex subunit 9 (MED9), mRNA. [Source:RefSeq mRNA;Acc:NM_001277637]

BT22

MED15

Mediator complex subunit 15 [Source:HGNC Symbol;Acc:HGNC:14248]

BT28-20

RNF113A

Gallus gallus ring finger protein 113A (RNF113A), mRNA. [Source:RefSeq mRNA;Acc:NM_001004396]

BT28-20

DDX42

Gallus gallus DEAD (Asp-Glu-Ala-Asp) box polypeptide 42 (DDX42), mRNA. [Source:RefSeq mRNA;Acc:NM_001030926]

Digestibility

MED31

Mediator complex subunit 31 [Source:HGNC Symbol;Acc:HGNC:24260]

Breast yield

MRPL42

Mitochondrial ribosomal protein L42 [Source:HGNC Symbol;Acc:HGNC:14493]

Disruption of progression through the cell cycle

BT22 & BT28

TBX6

Gallus gallus T-box 6 (TBX6), mRNA. [Source:RefSeq mRNA;Acc:NM_001030367]

BT22

KLHL22

Kelch-like family member 22 [Source:HGNC Symbol;Acc:HGNC:25888]

BT28-20

LIMD2

Gallus gallus LIM domain containing 2 (LIMD2), mRNA. [Source:RefSeq mRNA;Acc:NM_001006330]

BT28-20

STRADA

Gallus gallus STE20-related kinase adaptor alpha (STRADA), mRNA. [Source:RefSeq mRNA;Acc:NM_001012844]

Digestibility

KIAA0753

KIAA0753 [Source:HGNC Symbol;Acc:HGNC:29110]

Increase protein degradation by ubiquitination

BW21

MARCH5

Gallus gallus membrane-associated ring finger (C3HC4) 5 (MARCH5), mRNA. [Source:RefSeq mRNA;Acc:NM_001012906]

BW28

PCGF5

Gallus gallus polycomb group ring finger 5 (PCGF5), mRNA. [Source:RefSeq mRNA;Acc:NM_001277361]

BW28

HECTD2

HECT domain containing E3 ubiquitin protein ligase 2 [Source:HGNC Symbol;Acc:HGNC:26736]

BT20

USP22

Ubiquitin carboxyl-terminal hydrolase [Source:UniProtKB/TrEMBL;Acc:F1NG36]

Membrane permeability and ions

BW28-21

GRID2

Glutamate receptor, ionotropic, delta 2 [Source:HGNC Symbol;Acc:HGNC:4576]

BT20

PEMT

Gallus gallus phosphatidylethanolamine N-methyltransferase (PEMT), nuclear gene encoding mitochondrial protein, mRNA. [Source:RefSeq mRNA;Acc:NM_001006164]

BT28-20

CYB561

Cytochrome b561 [Source:HGNC Symbol;Acc:HGNC:2571]

BT28-20

KCNH6

Potassium voltage-gated channel, subfamily H (eag-related), member 6 [Source:HGNC Symbol;Acc:HGNC:18862]

BT28-20

CCDC47

Coiled-coil domain containing 47 [Source:HGNC Symbol;Acc:HGNC:24856]

BT28-20

MYL4

Myosin, light chain 4, alkali; atrial, embryonic [Source:HGNC Symbol;Acc:HGNC:7585]

Digestibility

SLC13A5

Solute carrier family 13 (sodium-dependent citrate transporter), member 5 [Source:HGNC Symbol;Acc:HGNC:23089]

Digestibility

PITPNM3

PITPNM family member 3 [Source:HGNC Symbol;Acc:HGNC:21043]

Immune system activation

BT20

TNFRSF13B

Gallus gallus tumor necrosis factor receptor superfamily, member 13B (TNFRSF13B), mRNA. [Source:RefSeq mRNA;Acc:NM_001097537]

BT22

DDT

Gallus gallus D-dopachrome tautomerase (DDT), mRNA. [Source:RefSeq mRNA;Acc:NM_001030667]

BT22

CABIN1

Calcineurin binding protein 1 [Source:HGNC Symbol;Acc:HGNC:24187]

BT28

MIF

Macrophage migration inhibitory factor [Source:UniProtKB/Swiss-Prot;Acc:Q02960]

Breast yield

SOCS2

Suppressor of cytokine signaling 2 [Source:RefSeq peptide;Acc:NP_989871]

Cell signaling

BW21

EXOC6

Exocyst complex component 6 [Source:RefSeq peptide;Acc:NP_001012923]

BW28

PPP1R3C

Protein phosphatase 1, regulatory subunit 3C [Source:HGNC Symbol;Acc:HGNC:9293]

BT20

COPS3

Gallus gallus COP9 constitutive photomorphogenic homolog subunit 3 (Arabidopsis) (COPS3), mRNA. [Source:RefSeq mRNA;Acc:NM_001006163]

BT20

NT5 M

5′,3′-nucleotidase, mitochondrial [Source:HGNC Symbol;Acc:HGNC:15769]

BT20

RASD1

Gallus gallus RAS, dexamethasone-induced 1 (RASD1), mRNA. [Source:RefSeq mRNA;Acc:NM_001044636]

BT22

CRKL

v-crk avian sarcoma virus CT10 oncogene homolog-like [Source:HGNC Symbol;Acc:HGNC:2363]

BT28-20

MAP3K3

Mitogen-activated protein kinase kinase kinase 3 [Source:HGNC Symbol;Acc:HGNC:6855]

BT28-20

DCAF7

Gallus gallus DDB1 and CUL4 associated factor 7 (DCAF7), mRNA. [Source:RefSeq mRNA;Acc:NM_001079504]

Apoptosis

Digestibility

XAF1

XIAP associated factor 1 [Source:HGNC Symbol;Acc:HGNC:30932]

Breast yield

CRADD

Gallus gallus CASP2 and RIPK1 domain containing adaptor with death domain (CRADD), mRNA. [Source:RefSeq mRNA;Acc:NM_001030748]

Glucose

BW21

IDE

Insulin-degrading enzyme [Source:HGNC Symbol;Acc:HGNC:5381]

BW28

TNKS2

Gallus gallus tankyrase, TRF1-interacting ankyrin-related ADP-ribose polymerase 2 (TNKS2), mRNA. [Source:RefSeq mRNA;Acc:NM_204341]

Disruption of cytoskeleton

BW21

KIF11

Gallus gallus kinesin family member 11 (KIF11), mRNA. [Source:RefSeq mRNA;Acc:NM_001031230]

Free radical damage

BT22

GSTT1

Gallus gallus glutathione S-transferase theta 1 (GSTT1), mRNA. [Source:RefSeq mRNA;Acc:NM_205365]

Digestibility

TXNDC17

Thioredoxin domain containing 17 [Source:HGNC Symbol;Acc:HGNC:28218]

Blood vessel development

BT28-20

ACE

Gallus gallus angiotensin I converting enzyme (peptidyl-dipeptidase A) 1 (ACE), mRNA. [Source:RefSeq mRNA;Acc:NM_001167732]

  1. All characterized genes within a 200-kb region, i.e. 100 kb upstream and 100 kb downstream of the SNP which was most frequently included in the MCMC iterations (post-burn-in), and is in the window explaining the largest amount of genetic variation for each trait
  2. Body temperature (BT) measured on days 20, 22, 28, and the differential 28-20; body weight (BW) measured on days 21, 28, and the differential 28-21; digestibility, measured from ileal content, on day 28; percent of breast weight, calculated from percent of total body weight, and measured on day 28