Abiotic Stress/Whole Plant Bio

Abstract

CS-9-4 - Phenomic and Transcriptomic Analysis of Differential Heat Stress in Chenopodium quinoa Shoots and Roots

Sunday, July 15
4:18 PM - 4:38 PM

Temperature modulates plant growth, development, and reproduction, and therefore it is an important determinant of plant productivity, yield, and geographic distribution. With global average temperatures forecasted to increase 2-5°C within the next century, plant populations will encounter extended periods of supraoptimal temperatures. Heat stress has been recognized as one of the primary negative influences on crop production. Yield reduction in crops due to heat stress results from a variety of causes, such as male sterility, reduced photosynthesis and respiration, premature plant senescence, and inhibition of shoot and root growth. Consequently, improving basic understanding of systemic plant responses to heat stress is imperative to predicting crop productivity in the face of climate change. Chenopodium quinoa (quinoa) is a highly nutritious annual crop that demonstrates tolerance to numerous abiotic stresses (e.g., frost, cold, drought, and salinity). Quinoa has been recognized as a valuable crop to improve food security since it is high in protein (14-18%), essential amino acids (all ten for the human diet), and caloric value, in the face of harsh growing conditions. Further, while quinoa is primarily cultivated for its seed, leaves are also consumed as a vegetable crop. A spike in global demand for quinoa occurred at the turn of the century and production increased threefold in just over a decade; from 40,000 hectares in the early 2000’s to more than 120,000 hectares by 2013. Here we explore both the phenomic and transcriptomic response of quinoa shoots and roots to differential heat treatment by low-cost high-throughput imaging and RNA-seq.


 

Co-Authors

Jose Tovar – Donald Danforth Plant Science Center; Steven Callen – Donald Danforth Plant Science Ce; Elizabeth Castillo – Donald Danforth Plant Science Center; Anastasia Shamin – Donald Danforth Plant Science Center; Paige Pearson – Donald Danforth Plant Science Center

Malia Gehan

Principal Investigator
Donald Danforth Plant Science Center

Presentation(s):

Send Email for Malia Gehan


Assets

CS-9-4 - Phenomic and Transcriptomic Analysis of Differential Heat Stress in Chenopodium quinoa Shoots and Roots



Attendees who have favorited this

Please enter your access key

The asset you are trying to access is locked. Please enter your access key to unlock.

Send Email for Phenomic and Transcriptomic Analysis of Differential Heat Stress in Chenopodium quinoa Shoots and Roots