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open access

Genome Mining of Plant NPFs Reveals Varying Conservation of Signature Motifs Associated With the Mechanism of Transport

Description: This article focuses on four structural features of nitrate peptide families/proton-coupled oligopeptide transporters/peptide transporters that have been shown by structural and functional studies to be essential to proton-coupled symport transport.
Date: December 4, 2018
Creator: Longo, Antonella; Miles, Nicholas W. & Dickstein, Rebecca
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Partner: UNT College of Science
open access

Structural Modeling and in planta Complementation Studies Link Mutated Residues of the Medicago truncatula Nitrate Transporter NPF1.7 to Functionality in Root Nodules

Description: This article combines in silico structural predictions with in planta complementation of the severely defective mtnip-1 mutant plants to understand the role of a series of distinct amino acids in the transporter’s function. The findings add to the knowledge of the mechanism of alternative conformational changes as well as symport transport in NPFs and enhance knowledge of the mechanisms for nitrate signaling.
Date: July 1, 2021
Creator: Yu, Yao-Chuan; Dickstein, Rebecca & Longo, Antonella
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Partner: UNT College of Science
open access

Multiple domains in MtENOD8 protein including the signal peptide target it to the symbiosome

Description: Article presenting evidence from GFP fusion experiments that the MtENOD8 protein contains at least three symbiosome targeting domains, including its N-terminal signal peptide (SP).
Date: May 2012
Creator: Meckfessel, Matthew H.; Blancaflor, Elison B.; Plunkett, Michael; Dong, Qunfeng & Dickstein, Rebecca
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Partner: UNT College of Arts and Sciences
open access

Phosphorus deprivation affects composition and spatial distribution of membrane lipids in legume nodules

Description: Article assessing membrane lipids in M. truncatula tissues using electrospray ionization–mass spectrometry. The results suggest that specific PC species may be differentially important in diverse nodule zones and cell types, and that membrane lipid remodeling during P stress is not uniform across the nodule.
Date: January 13, 2021
Creator: Dokwal, Dhiraj; Romsdahl, Trevor B.; Kunz, Daniel A.; Alonso, Ana Paula & Dickstein, Rebecca
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Partner: UNT College of Science
open access

A modified aeroponic system for growing small-seeded legumes and other plants to study root systems

Description: Authors of the article state that various growth systems are available for studying plant root growth and plant–microbe interactions including hydroponics and aeroponics. The aim of their study is to present step-by-step instructions for fabricating an aeroponic system, also called a “caisson,” that has been in use in several legume research labs studying the development of symbiotic nitrogen fixing nodules, but for which detailed directions are not currently available.
Date: March 3, 2023
Creator: Cai, Jingya; Veerappan, Vijaykumar; Arildsen, Kate; Sullivan, Catrina; Piechowicz, Megan; Frugoli, Julia et al.
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Partner: UNT College of Science
open access

nip, a Symbiotic Medicago truncatula Mutant that Forms Root Nodules with Aberrant Infection Threads and Plant Defense-Like Response

Description: Article on nip, a symbiotic Medicago truncatula mutant that forms root nodules with aberrant infection threads and plant defense-like response.
Date: November 2004
Creator: Veereshlingam, Harita; Haynes, Janine G.; Penmetsa, R. Varma; Cook, Douglas R.; Sherrier, D. Janine & Dickstein, Rebecca
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Partner: UNT College of Arts and Sciences
open access

Functional Assessment of the Medicago truncatula NIP/LATD Protein Demonstrates That It Is a High-Affinity Nitrate Transporter

Description: Article on the functional assessment of the Medicago truncatula NIP/LATD protein demonstrating that it is a high-affinity nitrate transporter.
Date: October 2012
Creator: Bagchi, Rammyani; Salehin, Mohammad; Adeyemo, O. Sarah; Salazar, Carolina; Shulaev, Vladimir; Sherrier, D. Janine et al.
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Partner: UNT College of Arts and Sciences
open access

Celebrating 20 Years of Genetic Discoveries in Legume Nodulation and Symbiotic Nitrogen Fixation

Description: This article is a review cataloging and contextualizing all of the plant genes currently known to be required for SNF in two model legume species, Medicago truncatula and Lotus japonicus, and two crop species, Glycine max (soybean) and Phaseolus vulgaris (common bean). The authors also briefly consider the future of SNF genetics in the era of pan-genomics and genome editing.
Date: October 24, 2019
Creator: Roy, Sonali; Liu, Wei; Nandety, Raja Sekhar; Crook, Ashley; Mysore, Kirankumar S.; Pislariu, Catalina I. et al.
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Partner: UNT College of Science
open access

Rapid identification of causative insertions underlying Medicago truncatula Tnt1 mutants defective in symbiotic nitrogen fixation from a forward genetic screen by whole genome sequencing

Description: This article demonstrates that whole genome sequencing is an efficient approach for identification of causative genes underlying symbiotic nitrogen fixation defective phenotypes in Medicago truncatula Tnt1 insertion mutants obtained via forward genetic screens.
Date: February 27, 2016
Creator: Veerappan, Vijaykumar; Jani, Mehul; Kadel, Khem; Troiani, Taylor; Gale, Ronny; Mayes, Tyler et al.
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Partner: UNT College of Arts and Sciences
open access

A Putative Transporter is Essential for Integrating Nutrient and Hormone Signaling with Lateral Root Growth and Nodule Development in Medicago truncatula

Description: This article discusses a putative transporter for integrating nutrient and hormone signaling with lateral root growth and nodule development in Medicago truncatula.
Date: 2010
Creator: Yendrek, Craig R.; Lee, Yi-Ching; Morris, Viktoriya; Liang, Yan; Pislariu, Catalina I.; Burkart, Graham et al.
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Partner: UNT College of Arts and Sciences
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