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INVOLVEMENT OF A LIPID-LINKED INTERMEDIATE IN THE TRANSFER OF GALACTOSE FROM UDP [GALACTOSE-C-14 TO EXOGENOUS PROTEIN IN CASTOR BEAN ENDOSPERM HOMOGENATES
被引:14
作者
:
MELLOR, RB
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV BRADFORD,GRAD SCH BIOL SCI,BRADFORD BD7 1DP,W YORKSHIRE,ENGLAND
UNIV BRADFORD,GRAD SCH BIOL SCI,BRADFORD BD7 1DP,W YORKSHIRE,ENGLAND
MELLOR, RB
[
1
]
LORD, JM
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV BRADFORD,GRAD SCH BIOL SCI,BRADFORD BD7 1DP,W YORKSHIRE,ENGLAND
UNIV BRADFORD,GRAD SCH BIOL SCI,BRADFORD BD7 1DP,W YORKSHIRE,ENGLAND
LORD, JM
[
1
]
机构
:
[1]
UNIV BRADFORD,GRAD SCH BIOL SCI,BRADFORD BD7 1DP,W YORKSHIRE,ENGLAND
来源
:
PLANTA
|
1979年
/ 147卷
/ 01期
关键词
:
Endoplasmic reticulum;
Golgi-galactolipid-galactoprotein;
Ricinus;
D O I
:
10.1007/BF00384596
中图分类号
:
Q94 [植物学];
学科分类号
:
071001 ;
摘要
:
A crude organelle preparation from germinating castor bean endosperm catalysed the incorporation of galactose from UDP[14C]galactose into chloroform/methanol (2:1)-soluble glactolipids. At least two galactolipids were formed. Most of the [14C]galactose was present in a galactolipid synthesized by the microsomal membranes, the remainder was present in a second galactolipid synthesized by other cellular membranes, possibly Golgi-derived. The addition of asialo-agalacto-fetuin reduced incorporation of [14C]galactose into the microsomal galactolipid with a concomitant increase in microsomal [14C]galactoprotein. Asialo-agalacto-fetuin did not affect galactolipid or galactoprotein synthesis by nonmicrosomal fractions. The results suggest that the endoplasmic reticulum is a major site of protein galactosylation in castor bean endosperm cells, and that galactose transfer from UDP-galactose to protein occurs via a lipid-linked intermediate. © 1979 Springer-Verlag.
引用
收藏
页码:89 / 96
页数:8
相关论文
共 32 条
[31]
WAECHTER CJ, 1973, J BIOL CHEM, V248, P7570
[32]
TRANSFER OF GALACTOSE FROM UDP-GALACTOSE TO ENDOGENOUS LIPID ACCEPTORS IN LIVER-MICROSOMES
[J].
ZATTA, P
论文数:
0
引用数:
0
h-index:
0
机构:
VET ADM HOSP,DIV MOLEC BIOL,SAN FRANCISCO,CA 94121
ZATTA, P
;
ZAKIM, D
论文数:
0
引用数:
0
h-index:
0
机构:
VET ADM HOSP,DIV MOLEC BIOL,SAN FRANCISCO,CA 94121
ZAKIM, D
;
VESSEY, DA
论文数:
0
引用数:
0
h-index:
0
机构:
VET ADM HOSP,DIV MOLEC BIOL,SAN FRANCISCO,CA 94121
VESSEY, DA
.
BIOCHIMICA ET BIOPHYSICA ACTA,
1975,
392
(02)
:361
-365
←
1
2
3
4
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共 32 条
[31]
WAECHTER CJ, 1973, J BIOL CHEM, V248, P7570
[32]
TRANSFER OF GALACTOSE FROM UDP-GALACTOSE TO ENDOGENOUS LIPID ACCEPTORS IN LIVER-MICROSOMES
[J].
ZATTA, P
论文数:
0
引用数:
0
h-index:
0
机构:
VET ADM HOSP,DIV MOLEC BIOL,SAN FRANCISCO,CA 94121
ZATTA, P
;
ZAKIM, D
论文数:
0
引用数:
0
h-index:
0
机构:
VET ADM HOSP,DIV MOLEC BIOL,SAN FRANCISCO,CA 94121
ZAKIM, D
;
VESSEY, DA
论文数:
0
引用数:
0
h-index:
0
机构:
VET ADM HOSP,DIV MOLEC BIOL,SAN FRANCISCO,CA 94121
VESSEY, DA
.
BIOCHIMICA ET BIOPHYSICA ACTA,
1975,
392
(02)
:361
-365
←
1
2
3
4
→