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“expression regulation of the PHO2 transcript”

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2010

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Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

miR399 appears to direct expression regulation of the PHO2 transcript via both mRNA cleavage and translational repression.

Taxon: Arabidopsis thalianaArabidopsis thalianat0
Gene: PHO2e4
Outcome: expression regulation of the PHO2 transcripte4
Qualifier: mRNA cleavage and translational repressione4

Verbatim

t0
“Arabidopsis thaliana”
✓ located verbatim in the source · title, characters 111–131

e4
“miR399 appears to direct expression regulation of the PHO2 transcript via both an mRNA cleavage and translational repression mode of RNA silencing”
✓ located verbatim in the source · abstract, characters 1097–1243

Title

DRB1, DRB2 and DRB4 Are Required for Appropriate Regulation of the microRNA399/PHOSPHATE2 Expression Module in Arabidopsis thaliana

Joseph L. Pegler; Jackson M. J. Oultram; Christopher P. L. Grof; et al. Plants 2019. doi:10.3390/plants8050124

Other claims from this paper (3)

Intervention effect DRB1 and DRB2 are required to maintain P homeostasis in Arabidopsis shoot and root tissues.
Intervention effect DRB1 is the primary DRB required for miR399 production.
Intervention effect DRB2 and DRB4 play secondary roles in regulating miR399 production.

Observationobservedoriginal resultmeasured

Claim · model-written summary

PHO2-dependent Pi-stress transcripts remained high in mycorrhizal roots.

Taxon: Medicago truncatulaMedicago truncatulae1
Gene: PHO2e0
Outcome: Pi-stress marker transcript levelse0
Direction: remained highe0

Verbatim

e0
“PHO2-dependent Pi-stress marker transcript levels remained high in these mycorrhizal roots.”
✓ located verbatim in the source · abstract, characters 1385–1476

e1
“Medicago truncatula”
✓ located verbatim in the source · abstract, characters 802–821

Title

Expression Pattern Suggests a Role of MiR399 in the Regulation of the Cellular Response to Local Pi Increase During Arbuscular Mycorrhizal Symbiosis

Anja Branscheid; Daniela Sieh; Bikram Datt Pant; et al. Molecular Plant-Microbe Interactions 2010. doi:10.1094/mpmi-23-7-0915

Other claims from this paper (10)

Observation Ten novel MIR399 genes were confirmed in Medicago truncatula.
Intervention effect Pi depletion increased mature miR399 and multiple pri-miR399 expression.
Association Five of 15 pri-miR399 species had higher leaf levels in mycorrhizal than nonmycorrhizal plants.
Association Mycorrhizal Medicago roots had increased Pi contents compared with nonmycorrhizal Pi-depleted roots.
Association Mycorrhizal tobacco roots had increased Pi contents compared with nonmycorrhizal Pi-depleted roots.
Association Mycorrhizal Medicago roots displayed higher mature miR399.
Association Mycorrhizal tobacco roots displayed higher mature miR399.
Observation MtPho2 expression remained low in mycorrhizal roots.
Mechanism The authors infer a mycorrhizal signal increases miR399 expression and decreases PHO2 activity.
Intervention effect Tobacco miR399 overexpression alone was insufficient to improve mycorrhizal colonization.

Observationobservedoriginal resultmeasured

Claim · model-written summary

MtPho2 expression remained low in mycorrhizal roots.

Taxon: Medicago truncatulaMedicago truncatulae1
Gene: MtPho2e0
Outcome: Expression levels of MtPho2e0
Direction: remained lowe0

Verbatim

e0
“Expression levels of MtPho2 remained low and PHO2-dependent Pi-stress marker transcript levels remained high in these mycorrhizal roots.”
✓ located verbatim in the source · abstract, characters 1340–1476

e1
“Medicago truncatula”
✓ located verbatim in the source · abstract, characters 802–821

Title

Expression Pattern Suggests a Role of MiR399 in the Regulation of the Cellular Response to Local Pi Increase During Arbuscular Mycorrhizal Symbiosis

Anja Branscheid; Daniela Sieh; Bikram Datt Pant; et al. Molecular Plant-Microbe Interactions 2010. doi:10.1094/mpmi-23-7-0915

Other claims from this paper (10)

Observation Ten novel MIR399 genes were confirmed in Medicago truncatula.
Intervention effect Pi depletion increased mature miR399 and multiple pri-miR399 expression.
Association Five of 15 pri-miR399 species had higher leaf levels in mycorrhizal than nonmycorrhizal plants.
Association Mycorrhizal Medicago roots had increased Pi contents compared with nonmycorrhizal Pi-depleted roots.
Association Mycorrhizal tobacco roots had increased Pi contents compared with nonmycorrhizal Pi-depleted roots.
Association Mycorrhizal Medicago roots displayed higher mature miR399.
Association Mycorrhizal tobacco roots displayed higher mature miR399.
Observation PHO2-dependent Pi-stress transcripts remained high in mycorrhizal roots.
Mechanism The authors infer a mycorrhizal signal increases miR399 expression and decreases PHO2 activity.
Intervention effect Tobacco miR399 overexpression alone was insufficient to improve mycorrhizal colonization.

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“expression regulation of the PHO2 transcript”

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