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Literature summary extracted from

  • Zhou, Y.; Zeng, L.; Fu, X.; Mei, X.; Cheng, S.; Liao, Y.; Deng, R.; Xu, X.; Jiang, Y.; Duan, X.; Baldermann, S.; Yang, Z.
    The sphingolipid biosynthetic enzyme sphingolipid delta8 desaturase is important for chilling resistance of tomato (2016), Sci. Rep., 6, 38742 .
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

EC Number Cloned (Comment) Organism
1.14.19.4 genes SlSLD1 and SlSLD2, quantitative RT-PCR enzyme expression analysis Solanum lycopersicum

Protein Variants

EC Number Protein Variants Comment Organism
1.14.19.4 additional information a virus-induced gene silencing (VIGS) approach to knockdown gene SlSLD expression is used in tomato leaves involving transformation via Agrobacterium GV3101, chilling resistance is evaluated for wild-type and mutangt plant seedlings, determination of the mutant phenotype, detailed overview. After exposure to 4°C, SlSLD-silenced mutant tomato plants are severely damaged. Exposure to low temperature severely damages chloroplasts in SlSLD-silenced plants Solanum lycopersicum

Organism

EC Number Organism UniProt Comment Textmining
1.14.19.4 Solanum lycopersicum
-
 cv. Micro-Tom
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.14.19.4 fruit
-
 Solanum lycopersicum
-
1.14.19.4 leaf
-
 Solanum lycopersicum
-

Synonyms

EC Number Synonyms Comment Organism
1.14.19.4 SlSLD
-
 Solanum lycopersicum
1.14.19.4 sphingolipid delta8 desaturase
-
 Solanum lycopersicum

Expression

EC Number Organism Comment Expression
1.14.19.4 Solanum lycopersicum gene SlSLD is highly expressed in the fruit and leaves in response to a chilling treatment. After the chilling treatment, the transcript levels of SlSLD1 are increased 23.4fold in leaves and 2.9fold in fruit, and the transcript levels of SlSLD2 are increased 8.4fold in leaves and 2.4fold in fruit up

General Information

EC Number General Information Comment Organism
1.14.19.4 malfunction in enzyme knockout plants, changes in leaf cell structure under a chilling treatment are observed by transmission electron microscopy. The degree of chilling damage is greater in SlSLD-silenced plants than in control plants, indicating that SlSLD knockdown significantly reduces the chilling resistance of tomato. Compared with control plants, SlSLD-silenced plants show higher relative electrolytic leakage and malondialdehyde content, and lower superoxide dismutase and peroxidase activities after a chilling treatment. Chilling severely damages the chloroplasts in SlSLD-silenced plants, resulting in the disruption of chloroplast membranes, swelling of thylakoids, and reduced granal stacking Solanum lycopersicum
1.14.19.4 metabolism SlSLD1 and 2 are important chilling stress-responsive genes involved in sphingolipid metabolism Solanum lycopersicum
1.14.19.4 physiological function the sphingolipid biosynthetic enzyme sphingolipid delta8 desaturase is important for chilling resistance of tomato. The enzyme encoding gene SlSLD belongs to the chilling stress-responsive genes related to sphingolipid metabolism Solanum lycopersicum