Table 1. The Arabidopsis thaliana YSL family of proteins

 

Progress in Walker Lab

Name

(length)

Chromosome based name

A. thaliana ESTs in database

Similarity to Maize YS1 (682 aa)

Full Length cDNA

Yeast functional complementation

Confirmed T-DNA Insertion(s)

Phenotype

Localization by GFP (stable transformants; native promoter)

YSL1

(673 aa)

At4g24120

701496573 (Ohio State clone set)

161F15T7 161F15SP (Lambda-PRL2 mixed)

119D15T7 (Lambda-PRL2 mixed)

109C6T7 (Lambda-PRL2 mixed)

R15661 (RIKEN FULL LENGTH)

Identities

399/665 (60%)

Positives

497/665 (74%)

YES

(ELW gene-specific RT-PCR of green siliques and of leaves)

transports Fe(II)-NA (complementation of yeast fet3fet4 mutant)

ysl1-1 (SALK_016287) mRNA detected by RT-PCR

ysl1-2 (SALK_034534) null (by RT-PCR)

ysl1-3 (SALK_051348) null (by RT-PCR)

Waters et al., 2006

 Not detected

YSL2

(664 aa)

At5g24380

RZL17e03F (Columbia roots)

E6H10T7 (CD4-13 3D hypocotyl)

TAP0088 (AC16H cell suspension culture)

Identities

408/658 (62%)

Positives

517/658 (78%)

YES

(ELW screen of hypocotyl library)

transports Fe(II)-NA (complementation of yeast fet3fet4 mutant)

transports Cu-NA (complementation of yeast ctr1 mutant)

ysl2-1 (SALK_001348) null (by RT-PCR)

DiDonato et al., 2004

Lateral plasma membrane of xylem parenchyma

YSL3

(675 aa)

At5g53550

none

Identities

411/668 (61%)

Positives

516/668 (76%)

YES

(ELW gene-specific RT-PCR of leaves, and direct cloning into yeast since cannot be cloned intact in E. coli)

 In progress

ysl3-1 (SALK_064683) null (by RT-PCR)

Waters et al., 2006

Plasma membrane of xylem parenchyma

YSL4

(670 aa)

At5g41000

none

Identities

333/644 (51%)

Positives

452/644 (69%)

YES

(ELW gene-specific RT-PCR of leaves)

transports Fe(II)-NA (complementation of yeast fet3fet4 mutant)

SALK_006995 false—no T-DNA at locus

ysl4-2 (SALK_025447) under investigation

In progress

No data

YSL5

(714 aa)

At3g17650

APZ20g12R APZ20g12F (2-6 week above ground)

186N21XP 186N21T7 (Lambda-PRL2 mixed)

G2G7T7 (CD4-13 3D hypocotyl)

R14582 (RIKEN FULL LENGTH)

Identities

345/680 (50%)

Positives

463/680 (67%)

YES

(ELW screen of hypocotyl library)

transports Fe(II)-NA (complementation of yeast fet3fet4 mutant)

transports Cu-NA (complementation of yeast ctr1 mutant)

ysl5-1 (SALK_058656) null (by RT-PCR)

Single mutants have no obvious phenotypes

No data

YSL6

(676 aa)

At3g27020

701549206 (Col-0, inflorescence-2)

APD47h09_f (2-6 week above ground)

77B5T7 (Lambda-PRL2 mixed)

117N21T7 (Lambda-PRL2 mixed)

163G5T7 (Lambda-PRL2 mixed)

SQ120d04F (green siliques)

282D4T7 (Lambda-PRL2 mixed)

Ceres_34773 (Ceres FULL LENGTH)

Identities

349/646 (54%)

Positives

461/646 (71%)

YES

(ELW gene-specific RT-PCR of green siliques and of leaves)

transports Fe(II)-NA (complementation of yeast fet3fet4 mutant)

ysl6-1 (SALK_015850) under investigation

ysl6-2 (SALK_015853

ysl6-4 (SALK_119560) under investigation

ysl6-5 (SALK_093392) null (by RT-PCR)

in progress

 

YSL7

(688 aa)

At1g65730

600035805R1

(developing seed FULL LENGTH)

Identities

341/674 (50%)

Positives

472/674 (69%)

EST 600035805R1

FULL LENGTH SEQUENCE

transports Fe(II)-NA (complementation of yeast fet3fet4 mutant)

ysl7-1 (SALK_014212) under investigation

No data

 

YSL8

(724 aa)

At1g48370

R12830 (RIKEN FULL LENGTH)

Identities

337/672 (50%)

Positives

454/672 (67%)

YES

(ELW gene-specific RT-PCR of green siliques and of leaves)

transports Fe(II)-NA (complementation of yeast fet3fet4 mutant)

ysl8-1 (SALK_006393) mRNA present (by RT-PCR)

ysl8-2 (SALK_000907) mRNA very low or absent by (RT-PCR)

Single mutants have no obvious phenotypes

 Not detected