Patatin-related phospholipase A: nomenclature, subfamilies and functions in plants

Nitrate Reductase Knockout Uncouples Nitrate Transport from Nitrate Assimilation and Drives Repartitioning of Carbon Flux in a Model Pennate Diatom

“…In P. tricornutum and other microalgae, the decrease in C20:5 FA during N-stress is believed to reflect the efforts by alga to pursue a second source for TAG by recycling C20:5 and C16 FA moieties from chloroplast thylakoid membrane glycerolipids (Abida et al, 2015;Li et al, 2012;Martin et al, 2014;Simionato et al, 2013). Specific galactoglycerolipid lipases, known in plants as patatin lipases (reviewed in Scherer et al, 2010), have been functionally characterized in C. reinhardtii and Nannochloropsis oceanica Li et al, 2014) as thylakoid glycerolipid recyclers. Ten transcriptionally active, patatin-like lipases candidate genes are expressed in both NR-KO14 and wild-type transcriptomes, and one, EG00718, is more highly expressed in NR-KO14 cells through 42 h ( Figure 11F).…”

Antihypertensive Properties of Plant Protein Derived Peptides

“…Low molecular weight antimicrobial potato peptides from potato tubers have recently been reported to exhibit antibiotic/antifungal activity also against human pathogenic fungal and microbial strains [9]. The broad phospholipase activity of patatin has been characterized and documented rather extensively [10,11]. The results indicate that the patatin-related enzymes are, in addition to fat metabolism, involved in the stress responses and signal transduction in the potato tubers.…”

The SUGAR-DEPENDENT1 Lipase Limits Triacylglycerol Accumulation in Vegetative Tissues of Arabidopsis

“…We previously identified a small family of TAG lipase genes in Arabidopsis, consisting of SUGAR-DEPENDENT1 (SDP1) and SDP1-LIKE (SDP1L), which appear to be directly responsible for initiating oil breakdown in the seeds following germination (Eastmond, 2006;Kelly et al, 2011). SDP1 and SDP1L are members of an unorthodox group of lipases that are related to patatin from potato (Solanum tuberosum) but contain a divergent active site (Scherer et al, 2010). Well-characterized examples include human adipose triglyceride lipase (Zimmermann et al, 2004), Drosophila melanogaster Brummer (Grönke et al, 2005), and Saccharomyces cerevisiae TRIACYLGLYCEROL LIPASE3, TRIACYLGLYCEROL LIPASE4, and TRIAC-YLGLYCEROL LIPASE5 (Athenstaedt and Daum, 2005;Kurat et al, 2006).…”