Paper · 2025 · Journal of Plant Interactions

Exposure of metals regulates the expression of divalent cation translocating heavy metal ATPases (HMAs) genes and induces morphological changes in Triticum aestivum

Tuba Sharf Batool; Warda Jabbar; Hajira Imran; et al.

6
claims
12
verbatim quotes
1
citations
2
research areas
✓
Open access · cc-by

Abstract

The P1B-type ATPases serve as heavy metal ATPases (HMAs) classified into monovalent and divalent ion-translocating groups; this study focuses on divalent cations transporting HMAs in Triticum aestivum L. (Poaceae). The in silico findings predicted that TaHMA1, TaHMA2, and TaHMA3 protein members interact with other proteins linked to metal homeostasis and oxidative stress regulation, suggesting broader roles in signaling and stress responses. Wheat seedlings were exposed to four concentrations of zinc (Zn; 100−400 µM), cadmium (Cd; 50−200 µM), and cobalt (Co; 50−200 µM) for 14 days in a hydroponic system. Analysis revealed distinct metal-specific responses: low Zn briefly stimulated growth, Co revealed biphasic trends with partial tolerance, while Cd caused severe and persistent toxicity. Gene expression analysis by qRT-PCR revealed strong early induction of TaHMA1 and TaHMA2 members that declined under prolonged stress, while TaHMA3 members were consistently upregulated, especially under Co and Cd, indicating a major role in vacuolar sequestration and detoxification.

Abstract from the paper’s OpenAlex record; open copy licensed cc-by. Read at the source ↗

The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.

Claims 6

Observationobservedoriginal resultpositivesimulated

Claim · model-written summary

In silico analysis predicted TaHMA1, TaHMA2 and TaHMA3 protein interactions linked to metal homeostasis and oxidative stress.

Taxon
Triticum aestivumTriticum aestivumt0
Gene
TaHMA1, TaHMA2, and TaHMA3e0
Outcome
interact with other proteins linked to metal homeostasis and oxidative stress regulatione0

Not reportedDirection

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“in silico findings predicted that TaHMA1, TaHMA2, and TaHMA3 protein members interact with other proteins linked to metal homeostasis and oxidative stress regulation”

✓ located verbatim in the source · abstract, characters 219–384 · show in text ↑
t0

“Triticum aestivum”

✓ located verbatim in the source · title, characters 147–164 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Low Zn briefly stimulated wheat growth.

Taxon
Triticum aestivumTriticum aestivumt0
Treatment
low Zne0
Outcome
growthe0
Direction
stimulatede0

Not reportedComparator

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“low Zn briefly stimulated growth”

✓ located verbatim in the source · abstract, characters 665–697 · show in text ↑
t0

“Triticum aestivum”

✓ located verbatim in the source · title, characters 147–164 · show in text ↑
Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Co caused biphasic growth trends with partial tolerance.

Taxon
Triticum aestivumTriticum aestivumt0
Treatment
Coe0
Outcome
biphasic trends with partial tolerancee0

Not reportedComparatorDirection

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Co revealed biphasic trends with partial tolerance”

✓ located verbatim in the source · abstract, characters 699–749 · show in text ↑
t0

“Triticum aestivum”

✓ located verbatim in the source · title, characters 147–164 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Cd caused severe persistent toxicity.

Taxon
Triticum aestivumTriticum aestivumt0
Treatment
Cde0
Outcome
toxicitye0
Direction
causede0

Not reportedComparator

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Cd caused severe and persistent toxicity”

✓ located verbatim in the source · abstract, characters 757–797 · show in text ↑
t0

“Triticum aestivum”

✓ located verbatim in the source · title, characters 147–164 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

TaHMA1 and TaHMA2 expression was induced early and then declined under prolonged metal stress.

Taxon
Triticum aestivumTriticum aestivumt0
Gene
TaHMA1 and TaHMA2e0
Outcome
early inductione0
Direction
inductione0
Qualifier
declined under prolonged stresse0

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“strong early induction of TaHMA1 and TaHMA2 members that declined under prolonged stress”

✓ located verbatim in the source · abstract, characters 844–932 · show in text ↑
t0

“Triticum aestivum”

✓ located verbatim in the source · title, characters 147–164 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

TaHMA3 members were consistently upregulated, especially under Co and Cd.

Taxon
Triticum aestivumTriticum aestivumt0
Treatment
Co and Cde0
Gene
TaHMA3e0
Outcome
TaHMA3 memberse0
Direction
upregulatede0

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“TaHMA3 members were consistently upregulated, especially under Co and Cd”

✓ located verbatim in the source · abstract, characters 940–1012 · show in text ↑
t0

“Triticum aestivum”

✓ located verbatim in the source · title, characters 147–164 · show in text ↑

zinc atom · growth · Triticum aestivum (wheat)Results differ

200 papers: 155 positive, 45 negative or no effect

154 papers in the same direction as this paper · 43 in the opposite direction · 2 reporting no difference from an alternative

  1. no effect
  2. no effect
    Wheat plants with low Mn or low Zn supply showed no growth differences from controls at the three harvests.

    Distribution and remobilization of Zn and Mn during grain development in wheat · 1994 · compared with controls (sufficient Zn and Mn)

    Opposite directionAbout lacking this nutrient, so it counts the other way round

  3. negative

196 papers more in this group

See all 200 papers →

cadmium atom · pest · Triticum aestivum (wheat)Positive and negative results

4 papers: 1 positive, 3 negative or no effect

2 papers in the same direction as this paper · 1 in the opposite direction

  1. positive
  2. negative
  3. negative
See all 4 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.