Table 2 Compilation of infection phenotypes of the Arabidopsis mlo2-5 single mutant and mlo2 mlo6 mlo12 triple mutants1.

From: The powdery mildew-resistant Arabidopsis mlo2 mlo6 mlo12 triple mutant displays altered infection phenotypes with diverse types of phytopathogens

Microbial species (disease)

Strain/isolate

Type of microorganism

Mode of plant entry

mlo2-5

mlo2-5 mlo6-2 mlo12-1

mlo2-6 mlo6-4 mlo12-8

Reference

Albugo laibachii (white rust)

Norwich 14 (Nc14)

Oomycete (obligate biotroph)

Stomata

n.t.2

~

~

This study

Alternaria alternata (black spot)

2177/00

Fungus (necrotroph)

Stomata and/or direct penetration4

~

↑↑

n.t.

11

Alternaria brassicicola (leaf spot)

MUCL 20297

Fungus (necrotroph)

Stomata and/or direct penetration4

↑↑

n.t.

11

Blumeria graminis f.sp. hordei (powdery mildew; non-adapted)

K1

Fungus (obligate biotroph)

Direct penetration4

↓↓

n.t.

11

Botrytis cinerea (grey mould)

Camalexin-sensitive strain

Fungus (necrotroph)

Direct penetration4

↓↓

↓↓

n.t.

20

Colletotrichum higginsianum (anthracnose)

IMI349063

Fungus (hemibiotroph)

Direct penetration4

n.t.

This study

Erysiphe pisi (powdery mildew; non-adapted)

MPIPZ3 isolate

Fungus (obligate biotroph)

Direct penetration4

↓↓

n.t.

11

Fusarium oxysporum (vascular wilt and root rot)

Fo5176

Fungus (hemibiotroph/necrotroph)

Wounding/cell junctions5

n.t.

This study

Golovinomyces orontii (powdery mildew, adapted)

MPIPZ isolate

Fungus (obligate biotroph)

Direct penetration4

↓↓

↓↓

11 This study

Hyaloperonospora arabidopsidis (downy mildew)

Noco2

Oomycete (obligate biotroph)

Cell junctions5

n.t.

~

~

This study

Oidium neolycopersici (powdery mildew; adapted)

Wageningen

Fungus (obligate biotroph)

Direct penetration4

↓↓

n.t.

15

Phytophthora infestans (late blight)

208 m2

Oomycete (hemibiotroph)

Stomata and/or direct penetration4

↑↑

n.t.

11

Serendipita indica (syn: Piriformospora indica)

DSM11827

Fungus (endophyte)

Direct penetration4/cell junctions5

n.t.

~

~

This study

Pseudomonas syringae pv. maculicola (bacterial speck)

ES4326

Bacterium (hemibiotroph)

Stomata

n.t.

This study

  1. 1↑ somewhat enhanced disease symptoms/pathogen proliferation, ↑↑ strongly enhanced disease symptoms/pathogen proliferation, ~ roughly unaltered disease symptoms/pathogen proliferation, ↓ somewhat reduced disease symptoms/pathogen proliferation, ↓↓ strongly reduced disease symptoms/pathogen proliferation. 2n.t., not tested. 3MPIPZ, Max Planck Institute for Plant Breeding Research, Cologne. 4Direct penetration into epidermal cells. 5Not penetrating epidermal cells but entering through anticlinal cell-cell junctions.