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1. Difference between selenite and selenate in selenium transformation and the regulation of cadmium accumulation in Brassica chinensis

Author:
Yu, Yao; Zhuang, Zhong; Luo, Li-yun; Wang, Ya-qi; Li, Hua-fen
Source:
Environmental science and pollution research international 2019 v.26 no.24 pp. 24532-24541
ISSN:
0944-1344
Subject:
Brassica rapa subsp. chinensis,   etc   ; cadmium; hydroponics; roots; selenates; selenites; selenium; selenomethionine; shoots; vegetables;     Show all 10 Subjects
Abstract:
... Se can regulate Cd accumulation and translocation in plants; however, such effects can be controversial because of the differences in plant species and Se species. In this study, pak choi was cultured under hydroponic conditions, and the effects of selenite and selenate on Cd accumulation were investigated in the edible parts of this vegetable. The results showed gradual improvements in the effect ...
DOI:
10.1007/s11356-019-05705-x

2. BcMAF2 activates BcTEM1 and represses flowering in Pak-choi (Brassica rapa ssp. chinensis)

Author:
Huang, Feiyi; Liu, Tongkun; Tang, Jun; Duan, Weike; Hou, Xilin
Source:
Plant molecular biology 2019 v.100 no.1-2 pp. 19-32
ISSN:
0167-4412
Subject:
Brassica rapa subsp. chinensis,   etc   ; Arabidopsis; cultivars; flowering date; genes; leaves; luciferase; quantitative polymerase chain reaction; yeasts;     Show all 9 Subjects
Abstract:
... KEY MESSAGE : BcMAF2 plays a key role in flowering regulation by controlling BcTEM1, BcSOC1 and BCSPL15 in Pak-choi. Flowering is a key event in the life cycle of plants. Flowering time shows an extensive variation from different Pak-choi (Brassica rapa ssp. chinensis) cultivars. However, the regulation mechanism of flowering in Pak-choi remains rarely known. In this study, a systematic identifica ...
DOI:
10.1007/s11103-019-00867-1

3. Effects of ageing on bioavailability of selenium in soils assessed by diffusive gradients in thin-films and sequential extraction

Author:
Peng, Qin; Li, Jun; Wang, Dan; Wei, Tian-Jiao; Chen, Chang-Er L.; Liang, Dong-Li
Source:
Plant and soil 2019 v.436 no.1-2 pp. 159-171
ISSN:
0032-079X
Subject:
Brassica rapa subsp. chinensis,   etc   ; bioavailability; desorption; roots; selenates; selenites; selenium; soil properties; toxicity;     Show all 9 Subjects
Abstract:
... BACKGROUND AND AIMS: Ageing is an important factor for controlling selenium bioavailability and toxicity in soil. METHODS: The ageing processes of selenite and selenate in two soils were systematically investigated by adopting diffusive gradients in thin film technique (DGT) and sequential extraction. RESULTS: Soluble Se was the main fraction (29.3%–61.7%) for selenate-treated soils, and which dec ...
DOI:
10.1007/s11104-018-03920-y

4. Agrobacterium-mediated vacuum infiltration and floral dip transformation of rapid-cycling Brassica rapa

Author:
Hu, Die; Bent, Andrew F.; Hou, Xilin; Li, Ying
Source:
BMC plant biology 2019 v.19 no.1 pp. 246
ISSN:
1471-2229
Subject:
Brassica rapa subsp. chinensis,   etc   ; Agrobacterium; Arabidopsis; Southern blotting; buds; carpels; genetic transformation; kanamycin; polymerase chain reaction; seeds;     Show all 10 Subjects
Abstract:
... BACKGROUND: Rapid-cycling Brassica rapa (RCBr), also known as Wisconsin Fast Plants, are small robust plants with a short lifecycle that are widely used in biology teaching. RCBr have been used for decades but there are no published reports of RCBr genetic transformation. Agrobacterium-mediated vacuum infiltration has been used to transform pakchoi (Brassica rapa ssp. chinensis) and may be suitabl ...
DOI:
10.1186/s12870-019-1843-6

5. Mono-and co-applications of Ca-bentonite with zeolite, Ca-hydroxide, and tobacco biochar affect phytoavailability and uptake of copper and lead in a gold mine-polluted soil

Author:
Lahori, Altaf Hussain; Zhang, Zengqiang; Shaheen, Sabry M.; Rinklebe, Jörg; Guo, Zhanyu; Li, Ronghua; Mahar, Amanullah; Wang, Zhen; Ren, Chunyan; Mi, Shenshen; Liu, Tao; Jing, Ren
Source:
Journal of hazardous materials 2019 v.374 pp. 401-411
ISSN:
0304-3894
Subject:
Brassica rapa subsp. chinensis,   etc   ; bioavailability; biochar; calcium hydroxide; copper; corn; gold; lead; mining; phytoaccumulation; polluted soils; pollution; shoots; tobacco; zeolites;     Show all 15 Subjects
Abstract:
... We assessed the efficacy of Ca-bentonite (CB) alone and combined with Ca-hydroxide (CH), tobacco biochar (TB), and zeolite (ZL) aiming to immobilize Cu and Pb and decrease their bioavailability and uptake by pak choi followed by maize in a mining contaminated soil. The CB alone was able to decrease the availability and uptake of Cu and Pb by pak choi and maize. The mono- and multi-combination of C ...
DOI:
10.1016/j.jhazmat.2019.04.057

6. Study of the bioavailability of heavy metals from atmospheric deposition on the soil-pakchoi (Brassica chinensis L.) system

Author:
Liu, Hai-Long; Zhou, Jun; Li, Min; Hu, Yuan-mei; Liu, Xiaoli; Zhou, Jing
Source:
Journal of hazardous materials 2019 v.362 pp. 9-16
ISSN:
0304-3894
Subject:
Brassica rapa subsp. chinensis,   etc   ; atmospheric deposition; bioavailability; cadmium; copper; heavy metals; lead; photosynthesis; pot culture; reciprocal translocation; risk; topsoil;     Show all 12 Subjects
Abstract:
... The objective of this study was to investigate the bioavailability of heavy metals from atmospheric deposition on the soil-pakchoi (Brassica chinensis L.) system near a smelter. Soil reciprocal translocation experiment was conducted with seven groups of pot culture (filled with soils of gradient levels of heavy metals) in three sites of gradient atmospheric heavy metal depositions. Results showed ...
DOI:
10.1016/j.jhazmat.2018.09.032

7. The removal of pesticide residues from pakchoi (Brassica rape L. ssp. chinensis) by ultrasonic treatment

Author:
Zhu, Yuchen; Zhang, Ting; Xu, Duoxia; Wang, Shaojia; Yuan, Yingmao; He, Shudong; Cao, Yanping
Source:
Food control 2019 v.95 pp. 176-180
ISSN:
0956-7135
Subject:
Brassica rapa subsp. chinensis,   etc   ; ascorbic acid; carbendazim; chlorothalonil; green leafy vegetables; leaves; linear models; pyrazophos; soaking; ultrasonic treatment; ultrasonics;     Show all 11 Subjects
Abstract:
... The removals of chlorothalonil, pyrazophos, and carbendazim residues form pakchoi by ultrasonic treatment were investigated in this study. The ultrasonic treatment has higher efficiency on the removal of pesticides compared to traditional water soaking. The removal rates of ultrasonic treatment for chlorothalonil, pyrazophos, and carbendazim residues were in the range of 13.87–74.86%, 21.74–45.68% ...
DOI:
10.1016/j.foodcont.2018.07.039

8. Exploring the persistence and spreading of antibiotic resistance from manure to biocompost, soils and vegetables

Author:
Pu, Chengjun; Yu, Yao; Diao, Jianxiong; Gong, Xiaoyan; Li, Ji; Sun, Ying
Source:
The Science of the total environment 2019 v.688 pp. 262-269
ISSN:
0048-9697
Subject:
Brassica rapa subsp. chinensis,   etc   ; antibiotic resistance; antibiotic resistance genes; bacteria; bacterial communities; biocomposts; composting; erythromycin; poultry manure; risk; soil; swine; transposons; vegetable growing; vegetables;     Show all 15 Subjects
Abstract:
... The main avenue in which antibiotic resistance enters soils is through the application of livestock manure. However, whether antibiotic resistant bacteria (ARB) and antibiotic resistance genes (ARGs) persist and spread to vegetables with the application of manure and manure products is still unclear. This study assessed seven kinds of cultured ARB, 221 ARGs subtypes and three transposon genes in t ...
DOI:
10.1016/j.scitotenv.2019.06.081

9. Brassica-enriched wheat bread: Unraveling the impact of ontogeny and breadmaking on bioactive secondary plant metabolites of pak choi and kale

Author:
Klopsch, Rebecca; Baldermann, Susanne; Hanschen, Franziska S.; Voss, Alexander; Rohn, Sascha; Schreiner, Monika; Neugart, Susanne
Source:
Food chemistry 2019 v.295 pp. 412-422
ISSN:
0308-8146
Subject:
Brassica rapa subsp. chinensis,   etc   ; Brassica oleracea var. sabellica; breadmaking; breads; carotenoids; chlorophyll; cotyledons; coumaric acids; glucosinolates; ingredients; kale; leaves; metabolites; microgreens; ontogeny; wheat;     Show all 16 Subjects
Abstract:
... Consumption of Brassica vegetables is linked to health benefits, as they contain high concentrations of the following secondary plant metabolites (SPMs): glucosinolate breakdown products, carotenoids, chlorophylls, and phenolic compounds. Especially Brassica vegetables are consumed as microgreens (developed cotyledons). It was investigated how different ontogenetic stages (microgreens or leaves) o ...
DOI:
10.1016/j.foodchem.2019.05.113

10. Boiling and steaming induced changes in secondary metabolites in three different cultivars of pak choi (Brassica rapa subsp. chinensis)

Author:
Chen, Xiaomin; Hanschen, Franziska S.; Neugart, Susanne; Schreiner, Monika; Vargas, Sara A.; Gutschmann, Björn; Baldermann, Susanne
Source:
Subtropical plant science 2019 v.82 pp. 103232
ISSN:
0889-1575
Subject:
Brassica rapa subsp. chinensis,   etc   ; boiling; carotenoids; chlorophyll; cooking; cultivars; flavonoids; glucosinolates; isothiocyanates; nitriles; phenolic acids; secondary metabolites; steaming; vegetables; vitamin K; Asia; Europe;     Show all 17 Subjects
Abstract:
... Pak choi (Brassica rapa subsp. chinensis) is a leafy vegetable that is widely available in Asia and consumed in rising quantities in Europe. Pak choi contains high levels of secondary plant metabolites, such as carotenoids, chlorophylls, glucosinolates, phenolic compounds, and vitamin K, which are beneficial for humans if consumed on a regular basis. The evaluation of the genotype-induced variatio ...
DOI:
10.1016/j.jfca.2019.06.004

11. Nonstereoselective foliar absorption and translocation of cycloxaprid, a novel chiral neonicotinoid, in Chinese cabbage

Author:
Cheng, Xi; Wang, Yichen; Li, Wei; Li, Qinkan; Luo, Peiwen; Ye, Qingfu
Source:
Environmental pollution 2019 v.252 pp. 1593-1598
ISSN:
0269-7491
Subject:
Brassica rapa subsp. chinensis,   etc   ; Chinese cabbage; absorption; carbon; environmental impact; human health; laboratory experimentation; leaves; metabolites; neonicotinoid insecticides; planting; prediction; radioactivity; risk assessment; roots; stereoisomers; stereoselectivity;     Show all 17 Subjects
Abstract:
... Exploring traditional neonicotinoid pesticides substitutes has become one of the global scientific attentions because of their hazardous environmental impacts. Cycloxaprid (CYC) is considered to be a promising candidate alternative. But the environmental behaviors and fate of CYC in different planting system remain poorly understood. The accumulation of 14C-labeled CYC stereoisomers within differe ...
DOI:
10.1016/j.envpol.2019.06.122

12. Colonization of polycyclic aromatic hydrocarbon-degrading bacteria on roots reduces the risk of PAH contamination in vegetables

Author:
Chen, Shuang; Ma, Zhao; Li, Shunyao; Waigi, Michael Gatheru; Jiang, Jiandong; Liu, Juan; Ling, Wanting
Source:
Environment international 2019
ISSN:
0160-4120
Subject:
Brassica rapa subsp. chinensis,   etc   ; Brassica rapa subsp. oleifera; Chinese cabbage; Ipomoea aquatica; adults; bacteria; crops; endophytes; lifestyle; models; neoplasms; phenanthrenes; rhizosphere; risk; risk reduction; roots; shoots;     Show all 17 Subjects
Abstract:
... This is a primary investigation on the mitigation of polycyclic aromatic hydrocarbon (phenanthrene as a model PAH) contamination in vegetables including water spinach (Ipomoea aquatica Forsk), pakchoi (Brassica campestris) and Chinese cabbage (Brassica chinensis) using a gfp-labeled PAH-degrading bacterium (RS1-gfp). Effective root colonization led to dense RS1-gfp populations inhabiting the rhizo ...
DOI:
10.1016/j.envint.2019.105081

13. Effects of brassinolide on microspore embryogenesis and plantlet regeneration in pakchoi (Brassica rapa var. multiceps)

Author:
Jia, Junxiang; Zhang, Yun; Feng, Hui
Source:
Scientia horticulturae 2019 v.252 pp. 354-362
ISSN:
0304-4238
Subject:
Brassica rapa subsp. chinensis,   etc   ; brassinolide; breeding methods; callus; callus formation; color; doubled haploids; embryogenesis; homozygosity; horticulture; hybrids; inbred lines; leaves; mortality; plantlets; stress tolerance;     Show all 16 Subjects
Abstract:
... Hybrids are often superior to conventional varieties because of their high yield and strong stress resistance. The production of homozygous inbred lines is an important prerequisite for hybrid seed production; however, they may require more than six years by traditional breeding methods. Microspore culture is an attractive approach to obtain homozygous doubled haploids (DHs) in a short period. How ...
DOI:
10.1016/j.scienta.2019.04.004

14. Improved Internet of Things (IoT) monitoring system for growth optimization of Brassica chinensis

Author:
Harun, Ahmad Nizar; Mohamed, Norliza; Ahmad, Robiah; Rahim, Abd Rahman Abdul; Ani, Nurul Najwa
Source:
Computers and electronics in agriculture 2019
ISSN:
0168-1699
Subject:
Brassica rapa subsp. chinensis,   etc   ; Internet; chlorophyll; cities; climatic factors; farming systems; growth performance; leaf area; leaves; light emitting diodes; monitoring; phytochemicals; plant growth; solar radiation; water content; wavelengths;     Show all 16 Subjects
Abstract:
... The Internet of Things (IoT) has been integrated in various applications such as smart homes and smart cities. IoT in agriculture such as in monitoring indoor climatic conditions can help to improve the plant growth. This paper proposes a new approach in utilizing IoT technology as a remote monitoring system to control the indoor climatic conditions via light emitting diode (LED) parameters which ...
DOI:
10.1016/j.compag.2019.05.045

15. Use of biogas solid residue from anaerobic digestion as an effective amendment to remediate Cr(VI)-contaminated soils

Author:
Song, Zilin; Fang, Linchuan; Wang, Jie; Zhang, Chao
Source:
Environmental science and pollution research international 2019 v.26 no.13 pp. 13041-13053
ISSN:
0944-1344
Subject:
Brassica rapa subsp. chinensis,   etc   ; Microbacterium; Pseudomonas; aboveground biomass; anaerobic digestion; bioavailability; biogas; chromium; microorganisms; nutrient content; organic matter; pollutants; polluted soils; redox potential; roots; soil nutrients;     Show all 16 Subjects
Abstract:
... Chromium (Cr) is one of the most common metal pollutants and has thus attracted considerable attention. In this study, we investigated the potential use of biogas solid residue (BSR) from anaerobic digestion as an effective amendment to decrease the bioavailability of Cr in Cr(VI)-polluted soil using pot experiments. Compared to the no-addition treatment, the addition of BSR (treatments—50, 100, a ...
DOI:
10.1007/s11356-019-04786-y

16. Identification of <i>N</i>-Acetyl-<i>S</i>-(3-Cyano-2-(Methylsulfanyl)Propyl-Cysteine as a Major Human Urine Metabolite from the Epithionitrile 1-Cyano-2,3-Epithiopropane, the Main Glucosinolate Hydrolysis Product from Cabbage

Author:
Hanschen, Franziska S.; Baldermann, Susanne; Brobrowski, Adrian; Maikath, Andrea; Wiesner-Reinhold, Melanie; Rohn, Sascha; Schreiner, Monika
Source:
Nutrients 2019 v.11 no.4
ISSN:
2072-6643
Subject:
Brassica rapa subsp. chinensis,   etc   ; Brassica carinata; Brassica oleracea var. capitata; bioavailability; cabbage; enzymatic hydrolysis; excretion; glucosinolates; hydrolysis; isothiocyanates; metabolites; pharmacokinetics; urine; volunteers;     Show all 14 Subjects
Abstract:
... Brassica vegetables such as cabbage or pak choi contain alkenyl glucosinolates which can release epithionitriles and to a lesser degree isothiocyanates upon enzymatic hydrolysis. Here, for the first time, the metabolism of an epithionitrile was investigated in humans, namely 1-cyano-2,3-epithiopropane (CETP). After consumption of Brassica oleracea var. capitata f. alba and Brassica carinata sprout ...
DOI:
10.3390/nu11040908

17. Simultaneous remediation of sediments contaminated with sulfamethoxazole and cadmium using magnesium-modified biochar derived from Thalia dealbata

Author:
Tao, Qi; Li, Bing; Li, Qiquan; Han, Xuan; Jiang, Yin; Jupa, Radek; Wang, Changquan; Li, Tingqiang
Source:
The Science of the total environment 2019 v.659 pp. 1448-1456
ISSN:
0048-9697
Subject:
Brassica rapa subsp. chinensis,   etc   ; Thalia dealbata; antibiotics; bioavailability; biochar; cadmium; germination; heavy metals; phytotoxicity; pyrolysis; remediation; sediment contamination; sediments; sorption; sorption isotherms; sulfamethoxazole; surface area;     Show all 17 Subjects
Abstract:
... In situ remediation and assessment of sediments contaminated with both antibiotics and heavy metals remains a technological challenge. In this study, MgCl2-modified biochar (BCM) was obtained at 500 °C through slow pyrolysis of Thalia dealbata and used for remediation of sediments contaminated by sulfamethoxazole (SMX) and Cd. The BCM showed greater surface area (110.6 m2 g−1) than pristine biocha ...
DOI:
10.1016/j.scitotenv.2018.12.361

18. Cobalt speciation and phytoavailability in fluvo-aquic soil under treatments of spent mushroom substrate from Pleurotus ostreatus

Author:
Liu, Borui; Huang, Qing; Su, Yuefeng; Xue, Qianhui; Sun, Liuye
Source:
Environmental science and pollution research international 2019 v.26 no.8 pp. 7486-7496
ISSN:
0944-1344
Subject:
Brassica rapa subsp. chinensis,   etc   ; Pleurotus ostreatus; adsorption; biomass; chemical structure; cobalt; crops; heavy metals; humans; pollutants; polluted soils; risk; soil microorganisms; spent mushroom compost;     Show all 14 Subjects
Abstract:
... Cobalt (Co) is a nutrient for soil microorganisms and crops, as well as a worldwide industrial pollutant. When the level of Co exceeds the acceptable limit, this heavy metal can lead to devastating consequences for soil environments. There is considerable attention and concern about elevated levels of Co contaminating soil and crops. Spent mushroom substrate (SMS) is a potential amendment for the ...
DOI:
10.1007/s11356-018-04080-3

19. Growth of red pak choi under red and blue, supplemented white, and artificial sunlight provided by LEDs

Author:
Mickens, M.A.; Torralba, M.; Robinson, S.A.; Spencer, L.E.; Romeyn, M.W.; Massa, G.D.; Wheeler, R.M.
Source:
Scientia horticulturae 2019 v.245 pp. 200-209
ISSN:
0304-4238
Subject:
Brassica rapa subsp. chinensis,   etc   ; anthocyanins; biomass production; chlorophyll; crop production; leaf area; leaf development; leaves; light emitting diodes; photons; photosynthesis; phytonutrients; plant growth; solar radiation;     Show all 14 Subjects
Abstract:
... To explore lighting strategies for crop production in space, we investigated the impacts of light spectrum on morphology, biomass, and phytonutrients of red pak choi (Brassica rapa var. chinensis, ‘Rubi F1’) over a 28-day cycle. Light treatments were white light-emitting diodes (WLEDs) as a control, W + red (WR), W + green switched to red at 21 days (WG–R), W + far-red (WFR), red and blue (RB), an ...
DOI:
10.1016/j.scienta.2018.10.023

20. Turning pig manure into biochar can effectively mitigate antibiotic resistance genes as organic fertilizer

Author:
Zhou, Xue; Qiao, Min; Su, Jian-Qiang; Wang, Yin; Cao, Zhi-Hong; Cheng, Wang-Da; Zhu, Yong-Guan
Source:
The Science of the total environment 2019 v.649 pp. 902-908
ISSN:
0048-9697
Subject:
Brassica rapa subsp. chinensis,   etc   ; agricultural land; antibiotic resistance genes; antibiotics; bacterial communities; biochar; community structure; composts; interspersed repetitive sequences; pathogens; pig manure; quantitative polymerase chain reaction; soil; swine;     Show all 14 Subjects
Abstract:
... The composting of fresh manure is an effective way to inactivate pathogens and reduce the levels of antibiotics and some antibiotic resistance genes (ARGs) prior to its application on agricultural land as organic fertilizer. However, some ARGs could still exist and even be enriched after composting. This study investigated whether converting composted pig manure into biochar could reduce the disse ...
DOI:
10.1016/j.scitotenv.2018.08.368