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Table 2 Significant marker-trait associations, candidate genes and corresponding putative functions for continuous storage formation and bulking (CSRFAB) and discontinuous storage root formation and bulking (DCSRFAB)

From: Genome-wide association study identified candidate genes controlling continuous storage root formation and bulking in hexaploid sweetpotato

Variants1

P-value

R2

Allele effect

maf3

Orthologs

Putative function

Continuous Storage Formation and Bulking (CSRFAB; 150 DAP)

 Chr04_6057850

3.7E-47

0.8

0.14

0.24

Cellulose synthase-like D1

Root hair development.

 Chr12_903336

4.8E-33

0.5

0.35

0.39

Nudix hydrolase

Excessive cell stimulation and stress response.

 Chr01_30468732

1.4E-28

0.41

−0.27

0.37

P-loop containing nucleoside triphosphate hydrolases

Regulates senescence, cell death and stress.

 Chr09_6258404

8.8E-28

0.4

−0.19

0.15

Calmodulin Interacting protein

Regulates plant shoot branching.

 Chr02_16003392

4.8E-20

0.27

0.04

0.49

HVA22 homologue A

Stress-induced programmed cell death.

 Chr08_14465821

8.6 E-06

0.12

0.16

0.03

Pectin lyase-like

Cell wall remodeling, growth and senescence.

 Chr06_13670137

3.2E-10

0.12

0.13

0.49

Aminopeptidase M1

Plant growth, leaf longevity and stress response.

 Chr07_3326491

3.5E-10

0.12

0.36

0.04

KAKU4

Modulates nuclear morphology

 Chr11_18261627

5.6E-09

0.1

0.10

0.49

Putative recombination initiation defect

Meiotic recombination

 Chr03_18988293

1.5E-08

0.09

−0.09

0.50

Senescence-associated gene

Programmed cell death

 Chr14_3298542

1.3E-07

0.08

0.27

0.49

CLAVATA3/ESR-RELATED

Meristem maintenance

 Chr11_1919638

3.3E-07

0.08

0.16

0.49

MAP 3 K-like

Plant growth, development and stress response.

 Chr10_13852642

3.8E-07

0.08

0.12

0.50

nuclear factor Y, subunit B4

Plant growth, development and stress response.

Discontinuous Storage Formation and Bulking (DCSRFAB; 90 DAP)

 Chr03_18599676

1.10E-07

0.1

−0.18

0.14

Thioredoxin z

Reduction of oxidative stress.

 Chr09_299562

2.30E-08

0.1

−0.02

0.11

DUF803

Unknown protein

 Chr11_14588348

6.20E-07

0.09

−0.03

0.17

hypothetical

Reduction oxidative stress.

 Chr03_18916775

9.30E-07

0.08

0.04

0.49

AGC-Kinase

auxin-induced lateral root formation.

 Chr06_2448368

4.6 E-08

0.08

−0.24

0.27

GBLD

Stress, signal transduction.

  1. 1chromosome and variant position, i.e. SNP and indels (*)
  2. 2proportion of phenotypic variation explained
  3. 3minor allele frequency