Biology Reference
In-Depth Information
Table 9.3 Summary of globin distribution in protist genomes
Number of
genomes
Globin subfamilies
found
Taxon
Comments
Alveolata
30
Apicomplexa
20
SDgb in
Hammonia
hammondi
No globins in
20 genomes
Ciliophora
(ciliates)
6
Single and multiple
TrHb1 domain
(up to
n
Paramecium tetraurelia
has 92 domains in
42 proteins (18
chimeric)
¼
6) in all
Dinophyceae
(dinoflagellates)
3
SDgb, chimeric
SDgbs and TrHb1
Eleven globins in
Lingulodinium
polyedrum
Perkinsea
1
Single and multiple
TrHb1 domain
(up to
n
Perkinsus marinus
has
79 domains in
30 proteins (14
chimeric)
¼
6)
Amoebozoa
14
Archamoeba
5
No globins in four
genomes
Acanthamoeba
castellanii
has a
TrHb1, a TrHb2
and an SDgb
Mycetozoa
8
FHbs in all genomes,
including
Physarum
polycephalum
Tubulinea
1
No globins
Apusozoa
1
FHb
Cryptophyta
3
No globins
Euglenozoa
13
Chimeric two-
domain SDgb with a
C-terminal adenylate
cyclase domain in
Leishmania
No globins in five
trypanosomes
Fornicata
1
FHb
Two FHbs in
Giardia
Glaucocystophyceae
0
?
Emiliania huxleyi
has
a chimeric protein
with four TrHb1
domains
Haptophyceae
(Primnesiophytes)
1
SDgb, FHb and
TrHb1
