Table 1 List of genes responsible for JS and JSRDs among the Arabs

From: Mutation spectrum of Joubert syndrome and related disorders among Arabs

JS Type

Gene symbol

Protein name

Locus

Inheritance

Alternative names

Phenotype MIM nb.

JBTS1

INPP5E

Inositol polyphosphate 5-phosphatase

9q34.3

AR

Joubert–Boltshauser syndrome

Cerebelloparenchymal disorder iv; CPD4

Cerebellooculorenal syndrome 1; CORS1

213300

JBTS3

AHI1

Jouberin

6q23.3

AR

 

608629

JBTS4

NPHP1

Nephrocystin-1

2q13

AR

 

609583

JBTS5

CEP290

Centrosomal protein of 290 kDa

12q21.32

AR

 

610188

JBTS6

TMEM67

Meckelin

8q22.1

AR

 

610688

JBTS7

RPGRIP1L

Protein fantom

16q12.2

AR

 

611560

JBTS9

CC2D2A

Coiled-coil and C2 domain containing protein 2A

4p15.32

 

Joubert syndrome 9/15, digenic, included

612285

JBTS12

KIF7

Kinesin-like protein KIF7

15q26.1

AR

Hallux duplication, postaxial polydactyly and absence of corpus callosum

Schinzel Acrocallosal syndrome

Joubert syndrome 12/15, digenic, included

200990

JBTS13

TCTN1

Tectonic-1

12q24.11

AR

 

614173

JBTS14

TMEM237

Transmembrane protein 237

2q33.1

AR

 

614424

JBTS15

CEP41

Centrosomal protein of 41 kDa

7q32.2

AR

Joubert syndrome 12/15, digenic, included

614464

JBTS16

TMEM138

Transmembrane protein 138

11q12.2

AR

 

614465

JBTS17

C5orf42

Uncharacterized protein

5p13.2

AR

 

614615

JBTS18

TCTN3

Tectonic 3

10q24.1

AR

 

614815

TBTS21

CSPP1

centrosome/spindle pole-associated protein

8q13.1-q13.2

AR

 

615636

  1. Abbreviations: AR, autosomal recessive; nb, number; JBTS, Joubert syndrome.