Intervention effectmodel-written summary

ACC-deaminase-positive strains increased canola root length, whereas strains lacking activity had no effect.

A claim from Effect of transferring 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase genes intoPseudomonas fluorescensstrain CHA0 and itsgacA derivative CHA96 on their growth-promoting and disease-suppressive capacities · 2000

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

ACC-deaminase-positive strains increased canola root length, whereas strains lacking activity had no effect.

Treatment
Transformed strains with ACC deaminase activitye0
Interactor
strainse0biocontrol_agent
Gene
ACC deaminasee0
Outcome
root lengthe0
Direction
increasede0
Comparator
strains without this activitye0
Setting
gnotobiotic conditionse0

Not reportedMaterialCompoundOrgan / stageSecond interactorSecond interactor roleValueQualifier

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Brassica napus var. napus
Brassica napus var. napus · Taxoncontri from Yonezawa-Shi, Yamagata, Japan · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“Transformed strains with ACC deaminase activity increased root length of canola plants under gnotobiotic conditions, whereas strains without this activity had no effect”

✓ located verbatim in the source · abstract, characters 753–921

Title

Effect of transferring 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase genes intoPseudomonas fluorescensstrain CHA0 and itsgacA derivative CHA96 on their growth-promoting and disease-suppressive capacities

Chunxia Wang; Edouard Knill; Bernard R Glick; et al. Canadian Journal of Microbiology 2000. doi:10.1139/w00-071

Other claims from this paper (7)

Record rev-e3c2925ba85e30e4e268b2df0eb461748abb9e5d080d0f4e1d06e4c1e1d99193 · schema claims-v0.9 · position 2 in the model’s answer

1-aminocyclopropanecarboxylic acid · growth · Brassica napus (oilseed rape)Results agree

5 papers: 5 positive, 0 negative or no effect

4 papers in the same direction as this claim

  1. positive
    ACC deaminase-containing bacteria enhanced canola seedling root growth.

    Determination of 1-aminocycopropane-1-carboxylic acid (ACC) to assess the effects of ACC deaminase-containing bacteria on roots of canola seedlings · 2001

    Same direction

  2. positive
    ACC increased root hair length and number.

    Elongation Changes of Exploratory and Root Hair Systems Induced by Aminocyclopropane Carboxylic Acid and Aminoethoxyvinylglycine Affect Nitrate Uptake andBnNrt2.1andBnNrt1.1Transporter Gene Expression in Oilseed Rape · 2008

    Same direction

  3. positive
    T4 Rhizobium treatment was more efficient in increasing root dry weight of canola, by up to 56.5%.

    Efficiency of Rhizobium strains as plant growth promoting rhizobacteria on morpho-physiological properties of Brassica napus L . under salinity stress · 2018

    Same direction

  4. positive
    ACC deaminase-containing bacterial strains enhanced the growth of canola seedling roots.

    Determination of 1-aminocycopropane-1-carboxylic acid (ACC) to assess the effects of ACC deaminase-containing bacteria on roots of canola seedlings · 2001

    Same direction

See all 5 papers →

transgenic · growth · Brassica napus (oilseed rape)Positive and negative results

6 papers: 5 positive, 1 negative or no effect

4 papers in the same direction as this claim · 1 in the opposite direction

  1. positive
    Native P. asplenii AC inoculation significantly increased canola root and shoot biomass with copper or creosote.

    Growth of canola (Brassica napus) in the presence of plant growth-promoting bacteria and either copper or polycyclic aromatic hydrocarbons · 2005

    Same directionCites this paper

  2. no effect
    Transformation of glabrous Westar caused no growth or trichome density changes.

    Effect of TRANSPARENT TESTA GLABRA1 on trichome development, growth, and insect resistance in a Brassica napus AtGLABRA3+ background · 2012 · compared with glabrous Westar background

    Opposite direction

  3. positive
    GMHT rape weed biomass was one-third to one-sixth of conventional treatment.

    Weeds in fields with contrasting conventional and genetically modified herbicide–tolerant crops. I. Effects on abundance and diversity · 2003 · compared with conventional treatments

    Same direction

  4. positive
    Weed biomass was lower in GMHT beet and spring oilseed rape.

    Weeds in fields with contrasting conventional and genetically modified herbicide–tolerant crops. II. Effects on individual species · 2003

    Same direction

  5. positive
    ROB5 transformed canola seeds germinated sooner than controls at 4°C.

    Abiotic Stresses and Agricultural Sustainability · 2012 · compared with controls

    Same direction

See all 6 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.