Search claims · PlantClaims

Intervention effectobservedreview summarynegativemeasured

Claim · model-written summary

SXD1-deficient plants were unable to decrease the expression of genes essential for photosynthesis.

Taxon: SXD1-deficient plantse4
Treatment: SXD1-deficiente4
Outcome: expression of genes essential for photosynthesise4
Direction: unable to decreasee4

Not reportedComparator

Verbatim

e4
“Rather, SXD1-deficient plants were unable to decrease the expression of genes essential for photosynthesis”
✓ located verbatim in the source · abstract, characters 548–654

Title

Chloroplast to Nucleus Feedback by SXD1

Science s STKE 2001. doi:10.1126/stke.2001.82.tw3

Other claims from this paper (6)

Mechanismauthor interpretationoriginal resultmixedmeasured

Claim · model-written summary

BCMV infection was inferred to increase flavonoid accumulation and decrease photosynthesis.

Taxon: poplarPopulust0
Treatment: BCMV infectione0
Interactor: BCMVBean common mosaic viruse0pathogent0
Outcome: accumulation of flavonoids but decreased photosynthesise0

Verbatim

e0
“BCMV infection increased the accumulation of flavonoids but decreased photosynthesis in hosts”
✓ located verbatim in the source · abstract, characters 1068–1161

t0
“poplar leaves infected by the novel pathogen bean common mosaic virus (BCMV)”
✓ located verbatim in the source · title, characters 83–159

Title

Integrated transcriptome and microRNA sequencing analyses reveal gene responses in poplar leaves infected by the novel pathogen bean common mosaic virus (BCMV)

Li Wang; Weixi Zhang; Wanna Shen; et al. Frontiers in Plant Science 2023. doi:10.3389/fpls.2023.1163232

Other claims from this paper (18)

Intervention effect BCMV infection decreased chlorophyll content in diseased poplar leaves.
Intervention effect BCMV infection inhibited net photosynthesis rate and stomatal conductance.
Intervention effect BCMV infection significantly changed chlorophyll fluorescence parameters.
Observation Most DEGs in flavonoid biosynthesis were promoted in poplar leaves.
Observation Almost all DEGs in photosynthesis-related pathways were inhibited in poplar leaves.
Observation Viral infection promoted expression of defense and plant-pathogen interaction genes.
Observation Ten miRNA families were upregulated in diseased poplar leaves.
Observation Six miRNA families were downregulated in diseased poplar leaves.
Observation miR156 was differentially upregulated only in long-period diseased poplar leaves.
Observation Integrated analyses identified 29 candidate miRNA-target gene pairs in short-period disease leaves.
Observation Integrated analyses identified 145 candidate miRNA-target gene pairs in long-period disease leaves.
Observation Seventeen pairs, 2.2% of DEGs, were negatively regulated in short-period disease leaves.
Observation Seventy-six pairs, 3.2% of DEGs, were negatively regulated in long-period disease leaves.
Observation Four miR156/SPL pairs were identified in long-period diseased leaves.
Observation In long-period disease leaves, miR156 molecules were upregulated.
Observation In long-period disease leaves, SPL genes were downregulated.
Intervention effect BCMV infection induced systematic mosaic symptoms in poplar leaves.
Mechanism The authors suggested miR156/SPL modules have important roles in virus response and systemic mosaic symptoms.

Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Photosynthesis and carbon assimilation gene expression decreased significantly under continuous cropping.

Taxon: Polygonatum odoratumPolygonatum odoratumt0
Treatment: CC systeme0
Gene: DEGs encoding proteins associated with photosynthesis and carbon assimilatione0
Outcome: expressione0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“the DEGs encoding proteins associated with photosynthesis and carbon assimilation showed a significant decrease in expression under the CC system”
✓ located verbatim in the source · abstract, characters 1071–1216

t0
“Polygonatum odoratum”
✓ located verbatim in the source · title, characters 47–67

Title

Continuous Cropping Inhibits Photosynthesis of Polygonatum odoratum

Yan Wang; Yunyun Zhou; Jing Ye; et al. Plants 2023. doi:10.3390/plants12193374

Other claims from this paper (4)

Intervention effect Continuous cropping changed chlorophyll content, light response curves and photosynthetic parameters.
Observation Continuous cropping leaves had 13,798 differentially expressed genes relative to first cropping.
Observation Among these genes, 7932 unigenes were upregulated.
Observation Among these genes, 5860 unigenes were downregulated.

Mechanismhypothesisoriginal resultbasis n/a

Claim · model-written summary

Transcript and protein decrease of PEPCase and Rubisco may be secondary regulation points of sugar feedback on photosynthesis in sugarcane leaves.

Taxon: sugarcanee1
Gene: PEPCasee2
Outcome: transcript and protein decrease of PEPCase and Rubiscoe2
Qualifier: may be secondary regulation pointse2

Verbatim

e1
“This work investigates changes in gene expression and protein abundance which coincide with the sugar accumulation in the leaves of YCS symptomatic sugarcane”
✓ located verbatim in the source · abstract, characters 566–723

e2
“This suggests transcript and protein decrease of PEPCase and Rubisco may be secondary regulation points of the sugar feedback regulation process upon photosynthesis in sugarcane leaves”
✓ located verbatim in the source · abstract, characters 1605–1789

Title

Effect of sugar feedback regulation on major genes and proteins of photosynthesis in sugarcane leaves

Annelie Marquardt; Robert J. Henry; Frederik C. Botha Plant Physiology and Biochemistry 2020. doi:10.1016/j.plaphy.2020.11.022

Other claims from this paper (7)

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Expression of photosynthesis and carbon fixation genes significantly decreased.

Taxon: Ambrosia trifidaAmbrosia trifidat0
Treatment: Sigesbeckia glabrescens extractse1
Outcome: expression of key genes related to photosynthesis and carbon fixatione0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“a significant decrease in the expression of key genes related to photosynthesis and carbon fixation”
✓ located verbatim in the source · abstract, characters 901–1000

t0
“Ambrosia trifida”
✓ located verbatim in the source · title, characters 33–49

e1
“Sigesbeckia glabrescens extracts”
✓ located verbatim in the source · title, characters 53–85

Title

Inhibition of the invasive plant Ambrosia trifida by Sigesbeckia glabrescens extracts

Lijuan Yin; Guangzhong Zhang; Haoyu Zhao; et al. Ecotoxicology and Environmental Safety 2025. doi:10.1016/j.ecoenv.2025.117716

Other claims from this paper (9)

Intervention effect Sigesbeckia root extracts reduced Ambrosia height and biomass.
Mechanism Biomass decline may reflect disrupted carbon and nitrogen metabolism.
Intervention effect Extract exposure significantly decreased root nitrate absorption and transport gene expression.
Observation Genes involved in sucrose synthesis were downregulated.
Observation H 2 O 2 content and RbohD expression increased.
Observation Apoptotic pathway genes were significantly upregulated.
Observation Coumarin, ferulic acid and 5-ALA were identified in Sigesbeckia extracts.
Intervention effect The three allelochemicals together suppressed Ambrosia seedling growth.
Observation Chemical-treated seedlings had the same phenotypes and transcriptomes as extract-treated seedlings.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Photosynthesis-associated genes decreased more strongly in Cecile.

Taxon: Solanum tuberosumSolanum tuberosumt0
Material: Cecilee0
Organ / stage: leafe0
Outcome: photosynthesis-associated genese0
Direction: decreasee0

Verbatim

e0
“Transcriptome analysis of leaf samples revealed a stronger decrease of photosynthesis-associated genes in the sensitive cultivar Cecile”
✓ located verbatim in the source · abstract, characters 519–654

t0
“Insights into responses to elevated temperatures in Solanum tuberosum cultivars with contrasting sensitivity”
✓ located verbatim in the source · title, characters 0–108

Title

Insights into responses to elevated temperatures in Solanum tuberosum cultivars with contrasting sensitivity

Selina Beck; Luisa Höfner; David Rüscher; et al. Journal of Plant Physiology 2025. doi:10.1016/j.jplph.2025.154683

Other claims from this paper (9)

Intervention effect Heat caused shoot elongation, more pronounced in Cecile.
Intervention effect Heat caused tuber weight loss, more pronounced in Cecile.
Observation Cecile showed decreased chlorophyll fluorescence and early senescence.
Association These effects correlated with elevated salicylic acid and ethylene levels.
Observation Solara showed delayed senescence.
Observation Solara had higher expression of sugar and amino acid transporters.
Intervention effect SP6A expression decreased similarly under heat in both varieties.
Observation Solara had constitutively higher PEBP14/15 and MADS13 expression.
Intervention effect Heat induced HSP20 and HSP70 regardless of variety.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Photosynthesis-related protein production decreased in Las-infected lemon plants compared with healthy plants.

Taxon: lemon plantsCitrus ×limone0
Interactor: LasCandidatus Liberibacter asiaticuse0pathogen
Gene: photosynthesis-related proteinse0
Outcome: production of photosynthesis-related proteinse0
Direction: decreasee0
Comparator: healthy plantse0

Verbatim

e0
“decrease in the production of photosynthesis-related proteins in Las-infected lemon plants compared to healthy plants”
✓ located verbatim in the source · abstract, characters 897–1014

Title

Study on Citrus Response to Huanglongbing Highlights a Down-Regulation of Defense-Related Proteins in Lemon Plants Upon ‘Ca. Liberibacter asiaticus’ Infection

Chika C. Nwugo; Yongping Duan; Hong Lin PLoS ONE 2013. doi:10.1371/journal.pone.0067442

Other claims from this paper (5)

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Leaf darkening decreased photosynthetic activity and photosynthesis gene expression.

Taxon: Arabidopsis thalianaArabidopsis thalianat0
Treatment: darkening of leavese0
Outcome: photosynthetic activity and the expression of photosynthesis-associated genese0
Direction: decreasee0
Comparator: control leavese0

Verbatim

e0
“The darkening of leaves led to a decrease in photosynthetic activity and the expression of photosynthesis-associated genes, in comparison to the control leaves.”
✓ located verbatim in the source · abstract, characters 998–1158

t0
“Arabidopsis thaliana (L.) Heynh.”
✓ located verbatim in the source · abstract, characters 128–160

Title

A role for GLABRA1 in dark-induced senescence

Aleksandra Eckstein; Joanna Grzyb; Paweł Hermanowicz; et al. Acta Biochimica Polonica 2019. doi:10.18388/abp.2018_2825

Other claims from this paper (5)

Observation Darkened gl1 and wild type leaves showed no visible symptom difference.
Association Senescence gene expression was significantly lower in gl1 than wild type.
Association The darkening effect was less pronounced in gl1 than wild type.
Observation The authors infer that gl1 plants are less susceptible to dark induced aging.
Recommendation Authors advise revisiting results obtained in gl1 based mutant backgrounds.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Decreasing plant density changed the photosynthetic efficiency of apple leaves and the expression of photosynthesis-related genes.

Taxon: appleMalus domesticat0
Treatment: decrease of plant densitye0
Outcome: photosynthetic efficiency of leaves and the expression of photosynthesis-related genese0
Direction: changede0

Not reportedComparator

Verbatim

e0
“the decrease of plant density changed the photosynthetic efficiency of leaves and the expression of photosynthesis-related genes”
✓ located verbatim in the source · abstract, characters 1685–1813

t0
“apple”
✓ located verbatim in the source · title, characters 65–70

Title

Transcriptional and physiological analyses of reduced density in apple provide insight into the regulation involved in photosynthesis

Junqiang Niu; Ming Ma; Xiaoning Yin; et al. PLoS ONE 2020. doi:10.1371/journal.pone.0239737

Other claims from this paper (12)

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Photosynthesis gene downregulation correlated with decreased chlorophyll in A. marina.

Taxon: A. marinaAvicennia marinae0
Gene: genes involved in photosynthesis-related pathwayse0
Outcome: total chlorophyll contente0
Direction: decreasee0

Verbatim

e0
“The expression pattern of genes involved in photosynthesis-related pathways in A. marina presented a downregulation of most DEGs, which correlated with the decrease in total chlorophyll content.”
✓ located verbatim in the source · abstract, characters 626–820

Title

Comparative Transcriptomics and Metabolomics Analyses of Avicennia marina and Kandelia obovata under Chilling Stress during Seedling Stage

Shu-Min Wang; You-Shao Wang; Hao Cheng International Journal of Molecular Sciences 2023. doi:10.3390/ijms242316989

Other claims from this paper (6)

“decrease of the photosynthesis”

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