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Table 1 Marker-trait associations from GWAS scanning for ACR, PHC and plant sex and associated candidate genes in D. rotundata

From: Association mapping of plant sex and cross-compatibility related traits in white Guinea yam (Dioscorea rotundata Poir.) clones

Trait

Method

Markers

Chr

Marker position (bp)

QTN effect

LOD score

log10(P)

R2 (%)

MAF

GfC1

Orthologs

Putative function

Sex

mrMLM

chr10_867,049

10

867,049

−0.66

4.61

5.40

20.33

0.46

C

ABA_WDS

Controls sex before transpiration in vascular plants

 

mrMLM

chr16_9,051,658

16

9,051,658

0.92

5.82

6.65

0.00

0.15

C

  
 

FASTmrMLM

chr10_867,049

10

867,049

−0.54

4.50

5.27

13.81

0.46

C

  
 

FASTmrMLM

chr16_9,051,658

16

9,051,658

0.71

4.45

5.22

0.00

0.14

C

  
 

FASTmrEMMA

chr10_867,049

10

867,049

−1.09

4.61

5.39

9.90

0.46

C

  
 

FASTmrEMMA

chr16_9,051,658

16

9,051,658

1.61

5.82

6.65

13.25

0.14

C

  
 

pLARmEB

chr10_867,049

10

867,049

−0.55

5.54

6.36

14.29

0.46

C

  
 

pKWmEB

chr10_867,049

10

867,049

−0.55

5.60

6.42

20.22

0.46

C

  
 

mrMLM

chr11_4,499,228

11

4,499,228

0.11

4.79

5.99

11.23

0.27

C

WD40_repeat

Key regulator of plant-specific developmental events

ACR

FASTmrEMMA

chr03_4,353,133

3

4,353,133

54.81

5.09

5.89

12.78

0.12

C

  
 

pLARmEB

chr05_15,917,143

5

15,917,143

−7.80

4.16

4.92

2.11

0.11

T

ATS3

Plant seed-specific proteins

 

pLARmEB

chr12_140,889

12

140,889

10.06

4.95

5.75

0.00

0.11

G

Cupin_1

Plant seed storage proteins

           

WRKY_dom

Involved in the gibberellic acid-induced expression

PHC

FASTmrEMMA

chr03_4,353,133

3

4,353,133

68.35

6.41

7.26

19.87

0.02

C

  
  1. ACR average crossability rate, PHC percentage high crossability, Chr chromosome, R2 phenotypic variance explained, QTN quantitative trait nucleotide, MAF minor allele frequency, GfC1 genotype for code 1