Evidence map›Paper›PMID 27200003›Full record

ArticleFrontiers in plant science2016

Calcium and Potassium Supplementation Enhanced Growth, Osmolyte Secondary Metabolite Production, and Enzymatic Antioxidant Machinery in Cadmium-Exposed Chickpea (Cicer arietinum L.).

Parvaiz Ahmad, Arafat A Abdel Latef, Elsayed F Abd Allah, Abeer Hashem, Maryam Sarwat, Naser A Anjum, Salih Gucel

Open access · goldAbstract read
In one paragraph

Article in Frontiers in plant science, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 64 papers.

0numbers the graph read from it
0cells of the map it votes in
64citing papers in PubMed
39.7field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

64 citing papers in PubMed, 245 citations in OpenAlex.

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4 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 5 institutions in 4 countries.

Parvaiz AhmadDepartment of Botany and Microbiology, Faculty of Science, King Saud UniversityRiyadh, Saudi Arabia; Department of Botany, Sri Pratap CollegeSrinagar, India.
Arafat A Abdel LatefBotany Department, Faculty of Science, South Valley UniversityQena, Egypt; Biology Department, College of Applied Medical Sciences, Taif UniversityTaif, Saudi Arabia.
Elsayed F Abd AllahDepartment of Plant Production, Faculty of Food and Agricultural Sciences, King Saud University Riyadh, Saudi Arabia.
Abeer HashemDepartment of Botany and Microbiology, Faculty of Science, King Saud UniversityRiyadh, Saudi Arabia; Mycology and Plant Disease Survey Department, Agriculture Research Center, Plant Pathology Research InstituteGiza, Egypt.
Maryam SarwatPharmaceutical Biotechnology, Amity Institute of Pharmacy, Amity University Uttar Pradesh, India.
Naser A AnjumDepartment of Chemistry, Centre for Environmental and Marine Studies, University of Aveiro Aveiro, Portugal.
Salih GucelCentre for Environmental Research, Near East University Lefkosa, Cyprus.
King Saud University · SAAgricultural Research Center · EGNear East University · CYSouth Valley University · EGUniversity of Aveiro · PT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This work examined the role of exogenously applied calcium (Ca; 50 mM) and potassium (K; 10 mM) (alone and in combination) in alleviating the negative effects of cadmium (Cd; 200 μM) on growth, biochemical attributes, secondary metabolites and yield of chickpea (Cicer arietinum L.). Cd stress significantly decreased the length and weight (fresh and dry) of shoot and root and yield attributes in terms of number of pods and seed yield (vs. control). Exhibition of decreases in chlorophyll (Chl) a, Chl b, and total Chl was also observed with Cd-exposure when compared to control. However, Cd-exposure led to an increase in the content of carotenoids. In contrast, the exogenous application of Ca and K individually as well as in combination minimized the extent of Cd-impact on previous traits. C. arietinum seedlings subjected to Cd treatment exhibited increased contents of organic solute (proline, Pro) and total protein; whereas, Ca and K-supplementation further enhanced the Pro and total protein content. Additionally, compared to control, Cd-exposure also caused elevation in the contents of oxidative stress markers (hydrogen peroxidase, H2O2; malondialdehyde, MDA) and in the activity of antioxidant defense enzymes (superoxide dismutase, SOD; catalase, CAT; ascorbate peroxidase, APX; glutathione reductase, GR). Ca, K, and Ca + K supplementation caused further enhancements in the activity of these enzymes but significantly decreased contents of H2O2 and MDA, also that of Cd accumulation in shoot and root. The contents of total phenol, flavonoid and mineral elements (S, Mn, Mg, Ca and K) that were also suppressed in Cd stressed plants in both shoot and root were restored to appreciable levels with Ca- and K-supplementation. However, the combination of Ca + K supplementation was more effective in bringing the positive response as compared to individual effect of Ca and K on Cd-exposed C. arietinum. Overall, this investigation suggests that application of Ca and/or K can efficiently minimize Cd-toxicity and eventually improve health and yield in C. arietinum by the cumulative outcome of the enhanced contents of organic solute, secondary metabolites, mineral elements, and activity of antioxidant defense enzymes.

Indexed as

antioxidant enzymescadmium toxicitychickpeaorganic solutesoxidative stresssecondary metabolitesyield attributes

Identifiers

PMID27200003
PMCPMC4847423
OpenAlexW2343123185

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.