DIFFERENTIATION OF LATERAL SHOOTS AS THORNS IN ULEX EUROPAEUS

A novel approach for preparing carbohydrate chips based on polydopamine (PDA) surface to study carbohydrate–lectin interactions by quartz crystal microbalance (QCM) biosensor instrument has been developed. The amino-carbohydrates were immobilized on PDA-coated quartz crystals via Schiff base reaction and/or Michael addition reaction. The resulting carbohydrate-chips were applied to QCM biosensor instrument with flow-through system for real-time detection of lectin–carbohydrate interactions. A series of plant lectins, including wheat germ agglutinin (WGA), concanavalin A (Con A), Ulex europaeus agglutinin I (UEA-I), soybean agglutinin (SBA), and peanut agglutinin (PNA), were evaluated for the binding to different kinds of carbohydrate chips. Clearly, the results show that the predicted lectin selectively binds to the carbohydrates, which demonstrates the applicability of the approach. Furthermore, the kinetics of the interactions between Con A and mannose, WGA and N-Acetylglucosamine were studied, respectively. This study provides an efficient approach to preparing carbohydrate chips based on PDA for the lectin–carbohydrate interactions study.

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Short communication. Forage and nutritive value of the pruning residues (leaves plus summer lateral shoots) of four grapevine (Vitis vinifera L.) cultivars at grape harvest and two post-harvest dates

Spanish Journal of Agricultural Research ◽

10.5424/sjar/2007054-287 ◽

2007 ◽

Vol 5 (4) ◽

pp. 517

Author(s):

D. Kok ◽

E. Ates ◽

I. Korkutal ◽

E. Bahar

Keyword(s):

Vitis Vinifera ◽

Nutritive Value ◽

Short Communication ◽

Vitis Vinifera L ◽

Post Harvest ◽

Harvest Dates ◽

Lateral Shoots ◽

Pruning Residues

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Optimation of In vitro Lateral Shoots Multiplication of Papaya (Carica papaya L.) “Callina” with BAP and NAA

Journal of Tropical Crop Science ◽

10.29244/jtcs.4.3.102-107 ◽

2017 ◽

Vol 4 (3) ◽

pp. 102-107

Author(s):

Darda Efendi ◽

Mirza R Putra

Keyword(s):

Carica Papaya ◽

Clonal Propagation ◽

Block Design ◽

Shoot Multiplication ◽

Plant Materials ◽

Randomized Block Design ◽

Lateral Shoots ◽

Shoot Production ◽

Set Up

Papaya is a popular fruit and is grown commercially in many subtropical and tropical countries. Papayas are generally grown from seeds; therefore the offsprings are not true-to-type and could come in three sexes, female, male, and hermaphrodite. Clonal propagation is required to obtain to grow true-to-type hermaphrodite papayas. In this research, we developed an in vitro protocol for shoot multiplication from lateral shoots from in vitro germinated papaya seedlings. The in vitro propagated plant materials could potentially be used as a source of papaya micro cuttings, or as scion for papaya grafting. The experiment was set up as a factorial experiment with NAA at 0, 0.1 and 0.5 mg.L-1, and BAP at 0, 0.1, 0.5, and 1.0 mg.L-1 in a completely randomized block design. BAP interacted with NAA in affecting the shoot production per explant. The optimum BAP and NAA concentration to produce lateral shoots was 0.54 mg. L-1 and 0.1 mg.L-1, respectively. Media without NAA reduced the number of lateral shoots and number of leaf per explant at any BAP concentration.Keywords: hermaphrodite, seeds, true to type, clonal propagation, micro cuttings.

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The Invasive Niche, a Multidisciplinary Concept Illustrated by Gorse (Ulex Europaeus)

10.20944/preprints201906.0305.v1 ◽

2019 ◽

Author(s):

Anne Atlan ◽

Nathalie Udo

Keyword(s):

Social Factors ◽

Global Scale ◽

The Other ◽

Ulex Europaeus ◽

Explanatory Variables ◽

Factors Influencing ◽

Invasive Status ◽

Noxious Weed ◽

The One ◽

The Web

This study analyzes the natural and social factors influencing the emergence and publicization of the invasive status of a fast growing bush, gorse (Ulex europaeus), by comparison between countries on a global scale. We used documents collected on the web in a standardized way. The results show that in all the countries studied, there are several public statuses attributed to gorse. The invasive status is the one that is most shared. The other most frequently encountered status are those of noxious weed, and of economically useful. The invasive status is publicized in nearly all countries, including those where gorse is almost absent. We quantified the publicization of the invasive gorse status of gorse by an indicator with 5 levels, and then performed a multivariate analysis that combines natural and social explanatory variables. The results lead us to propose the concept of invasive niche: the set of natural and social parameters that allow a species to be considered invasive in a given socio-ecosystem.

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