Biological differences that distinguish the 2 major stages of wound healing in potato tubers

Lulai, Edward C.; Campbell, L. G.; Fugate, Karen Klotz; McCue, Kent F.

doi:10.1080/15592324.2016.1256531

Cited by 32 publications

(36 citation statements)

References 16 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…As noted in the Introduction, wound healing to restore the chemical and physical barriers in fruits and tubers is a complex process that proceeds in distinct steps. To compare the wound healing time course in WT and FHT -silenced tubers, we undertook parallel studies of polar and non-polar soluble metabolites along with polymeric solid composites at four key time points: immediately after wounding (day 0), when a closing layer has formed (day 3), when a new wound periderm is nascent (day 7), and when the new periderm has developed but is still immature (day 14) (Lulai, et al, 2016).…”

Section: Resultsmentioning

confidence: 99%

Potato native and wound periderms are differently affected by down-regulation of FHT, a suberin feruloyl transferase

et al. 2018

View full text Add to dashboard Cite

Potato native and wound healing periderms contain an external multilayered phellem tissue (potato skin) consisting of dead cells whose cell walls are impregnated with suberin polymers. The phellem provides physical and chemical barriers to tuber dehydration, heat transfer, and pathogenic infection. Previous RNAi-mediated gene silencing studies in native periderm have demonstrated a role for a feruloyl transferase (FHT) in suberin biosynthesis and revealed how its down-regulation affects both chemical composition and physiology. To complement these prior analyses and to investigate the impact of FHT deficiency in wound periderms, a bottom-up methodology has been used to analyze soluble tissue extracts and solid polymers concurrently. Multivariate statistical analysis of LC-MS and GC-MS data, augmented by solid-state NMR and thioacidolysis, yields two types of new insights: the chemical compounds responsible for contrasting metabolic profiles of native and wound periderms, and the impact of FHT deficiency in each of these plant tissues. In the current report, we confirm a role for FHT in developing wound periderm and highlight its distinctive features as compared to the corresponding native potato periderm.

show abstract

Section: Resultsmentioning

confidence: 99%

Potato native and wound periderms are differently affected by down-regulation of FHT, a suberin feruloyl transferase

et al. 2018

View full text Add to dashboard Cite

show abstract

“…Whereas the first studies were mainly descriptive ( Bloch, 1941 ; Lipetz, 1970 ), in the last decades, molecular mechanisms are increasingly becoming clear ( León et al, 2001 ; Maffei et al, 2007a ; Savatin et al, 2014 ). For information on wound healing and mitigation of damage in post-harvest processes in vegetables and fruit, we refer to specific literature ( Cisneros-Zevallos et al, 2014 ; Lulai et al, 2016 ; Saltveit, 2016 ; Iakimova and Woltering, 2018 ; Hussein et al, 2020 ). This review provides a broad overview of the recent developments in molecular mechanisms with a focus on spatiotemporal dynamics in order to gain mechanistic understanding and to address open questions in the field of wound response in plants.…”

Section: Introductionmentioning

confidence: 99%

Breaking Bad News: Dynamic Molecular Mechanisms of Wound Response in Plants

et al. 2020

View full text Add to dashboard Cite

Recognition and repair of damaged tissue are an integral part of life. The failure of cells and tissues to appropriately respond to damage can lead to severe dysfunction and disease. Therefore, it is essential that we understand the molecular pathways of wound recognition and response. In this review, we aim to provide a broad overview of the molecular mechanisms underlying the fate of damaged cells and damage recognition in plants. Damaged cells release the so-called damage associated molecular patterns to warn the surrounding tissue. Local signaling through calcium (Ca2+), reactive oxygen species (ROS), and hormones, such as jasmonic acid, activates defense gene expression and local reinforcement of cell walls to seal off the wound and prevent evaporation and pathogen colonization. Depending on the severity of damage, Ca2+, ROS, and electrical signals can also spread throughout the plant to elicit a systemic defense response. Special emphasis is placed on the spatiotemporal dimension in order to obtain a mechanistic understanding of wound signaling in plants.

show abstract

“…Rapid development of wound periderm is critical to minimize subsequent weight loss or disease spread [6,7]. Wound periderm formation is initiated when cell division increases and suberin deposition occurs in response to wounding [8][9][10]. The primary role of suberin is to serve as a barrier to both water loss and microbial infection [11].…”

Section: Introductionmentioning

confidence: 99%

Effects of Wound-Healing Management on Potato Post-Harvest Storability

2020

View full text Add to dashboard Cite

A critical step in profitable post-harvest potato storage management is to cure tubers at appropriate temperatures long enough for rapid wound-healing to prevent disease and defect development, but not too long to jeopardize storage quality. A two-year storage study was conducted in macro-storage totes at the University of Wisconsin Hancock storage research facility to evaluate the effects of higher wound-healing temperatures (15.6 °C, 18.3 °C) imposed for different durations, and compare them to the U.S. potato industry’s standard practice (12.8 °C), on weight loss and frying quality of multiple processing potato varieties during long-term storage. It was found that in the experimental setting of this study, warmer wound-healing temperatures resulted in (1) less weight loss, particularly during the early storage season across varieties; (2) ameliorated senescent sweetening of the Snowden variety; (3) improved fry quality of the Russet Burbank variety; (4) and no apparent disease spread during long-term storage if tubers were harvested healthy out of fields. Overall, no significant difference was found between 15.6 °C and 18.3 °C regarding their treatment effects. Our conclusion is that compared to the current standard practice, higher wound-healing temperatures may have the potential benefits of improving potato storage quality while reducing the economic penalty associated with weight loss for specific varieties, but tubers should be healthy at harvest in order to gain the benefits. Further research is needed to test if those benefits of higher wound-healing temperatures hold true in large-scale commercial storage facilities.

show abstract

Biological differences that distinguish the 2 major stages of wound healing in potato tubers

Cited by 32 publications

References 16 publications

Potato native and wound periderms are differently affected by down-regulation of FHT, a suberin feruloyl transferase

Potato native and wound periderms are differently affected by down-regulation of FHT, a suberin feruloyl transferase

Breaking Bad News: Dynamic Molecular Mechanisms of Wound Response in Plants

Effects of Wound-Healing Management on Potato Post-Harvest Storability

Contact Info

Product

Resources

About