Identification of Halloween Genes and RNA Interference-Mediated Functional Characterization of a Halloween Gene shadow in Plutella xylostella.

Ecdysteroids play an essential role in controlling insect development and reproduction. Their pathway is regulated by a group of enzymes called Halloween gene proteins.

The relationship between the Halloween genes and ecdysteroid synthesis has yet to be clearly understood in diamondback moth, Plutella xylostella (L.), a worldwideLepidoptera pest attacking cruciferous crops and wild plants. In this study, complete sequences for six Halloween genes, neverland (nvd), shroud (sro), spook (spo), phantom (phm), disembodied (dib), shadow (sad), and shade (shd), were identified. Phylogenetic analysis revealed a strong conservation in insects, including Halloween genes of P. xylostella that was clustered with all other Lepidoptera species.

Three Halloween genes, dibsad, and shd were highly expressed in the adult stage, while nvd and spo were highly expressed in the egg and pupal stages, respectively.

Five Halloween genes were highly expressed specifically in the prothorax, which is the major site of ecdysone production. However, shd was expressed predominantly in the fat body to convert ecdysone into 20-hydroxyecdysone.

myo-Inositol

11699-82 25G
EUR 38.5

myo-Inositol

19213-82 25G
EUR 11.9

myo-Inositol

19213-95 500G
EUR 75.6

Myo-Inositol

330153 500.0g
EUR 350

Myo-Inositol

41350000-1 50 g
EUR 21.59

Myo-Inositol

41350000-2 100 g
EUR 44.84

Myo-Inositol

41350000-3 250 g
EUR 78.71

Myo-Inositol

41350000-4 5 kg
EUR 657.86

Myo-Inositol

41350000-5 1 kg
EUR 216.71

myo-Inositol

B7903-100 100 mg
EUR 129.6

myo-Inositol

B7903-500 500 mg
EUR 199.2

myo-Inositol

B7903-5000 5g
EUR 38
Description: A component of membrane phospholipids, glycosyl­phosphatidyl­inositol anchors

myo-Inositol

GC4902 25g
EUR 114.14

myo-Inositol

I665995 10g
EUR 104
Description: 87-89-8

myo-INOSITOL

I703 100G
EUR 823.49

myo-Inositol

GC4902-1 1
EUR 124.6

myo-Inositol

GC4902-100 100
EUR 22.4

myo-Inositol

GC4902-100G 100 g
EUR 62.4

myo-Inositol

GC4902-1KG 1 kg
EUR 180

myo-Inositol

GC4902-25 25
EUR 11.9

myo-Inositol

GC4902-250 250
EUR 41.4

myo-Inositol

GC4902-250G 250 g
EUR 84

myo-Inositol

GC4902-25G 25 g
EUR 48

myo-Inositol

GC4902-500 500
EUR 70.5

myo-Inositol

GC4902-500G 500 g
EUR 117.6

Myo-inositol

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Recombinant Caenorhabditis elegans Myosin-2 (myo-2), partial

MBS1211329-INQUIRE INQUIRE Ask for price

Myosin (Myo) Antibody

20-abx179001
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Active Myoglobin (MYO)

APA480Hu01 10ug
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Native Myoglobin (MYO)

NPA480Ra01 10ug
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4-NPA480Ra01
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Description: Recombinant Rat Myoglobin expressed in: Rat

Active Myoglobin (MYO)

RPU56321-100ug 100ug
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Active Myoglobin (MYO)

RPU56321-1mg 1mg
EUR 3931.2

Active Myoglobin (MYO)

RPU56321-50ug 50ug
EUR 604.8

Native Myoglobin (MYO)

RPU53472-100ug 100ug
EUR 554.4

Native Myoglobin (MYO)

RPU53472-1mg 1mg
EUR 2457

Native Myoglobin (MYO)

RPU53472-50ug 50ug
EUR 445.5

Native Myoglobin (MYO)

MBS2018244-001mg 0.01mg
EUR 175

Native Myoglobin (MYO)

MBS2018244-005mg 0.05mg
EUR 310

Native Myoglobin (MYO)

MBS2018244-01mg 0.1mg
EUR 470

Native Myoglobin (MYO)

MBS2018244-02mg 0.2mg
EUR 575

Native Myoglobin (MYO)

MBS2018244-05mg 0.5mg
EUR 1090

Active Myoglobin (MYO)

MBS2122304-001mg 0.01mg
EUR 215

Active Myoglobin (MYO)

MBS2122304-005mg 0.05mg
EUR 420

Active Myoglobin (MYO)

MBS2122304-01mg 0.1mg
EUR 635

Active Myoglobin (MYO)

MBS2122304-02mg 0.2mg
EUR 780

Active Myoglobin (MYO)

MBS2122304-05mg 0.5mg
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Myoglobin (MYO) Antibody

20-abx104765
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Myoglobin (MYO) Antibody

20-abx104806
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Myoglobin (MYO) Antibody

20-abx100275
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Myoglobin (MYO) Antibody

20-abx100276
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Myoglobin (MYO) Antibody

20-abx100277
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20-abx129941
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20-abx130425
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20-abx173666
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20-abx173668
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20-abx177665
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Recombinant Myoglobin (MYO)

RPU55533-100ug 100ug
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Recombinant Myoglobin (MYO)

RPU55533-1mg 1mg
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Recombinant Myoglobin (MYO)

RPU55533-50ug 50ug
EUR 432

Recombinant Myoglobin (MYO)

RPU56742-100ug 100ug
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Recombinant Myoglobin (MYO)

RPU56742-1mg 1mg
EUR 2184

Recombinant Myoglobin (MYO)

RPU56742-50ug 50ug
EUR 385

Recombinant Myoglobin (MYO)

RPU56743-100ug 100ug
EUR 470.4

Recombinant Myoglobin (MYO)

RPU56743-1mg 1mg
EUR 2184

Recombinant Myoglobin (MYO)

RPU56743-50ug 50ug
EUR 385

Recombinant Myoglobin (MYO)

RPU54157-100ug 100ug
EUR 578.6

Recombinant Myoglobin (MYO)

RPU54157-1mg 1mg
EUR 2566.2

Recombinant Myoglobin (MYO)

RPU54157-50ug 50ug
EUR 465.3

Recombinant Myoglobin (MYO)

RPU54460-100ug 100ug
EUR 601.7

Recombinant Myoglobin (MYO)

RPU54460-1mg 1mg
EUR 2665

Recombinant Myoglobin (MYO)

RPU54460-50ug 50ug
EUR 482.9

Recombinant Myoglobin (MYO)

RPU54498-100ug 100ug
EUR 603.9

Recombinant Myoglobin (MYO)

RPU54498-1mg 1mg
EUR 2675.4

Recombinant Myoglobin (MYO)

RPU54498-50ug 50ug
EUR 485.1

Recombinant Myoglobin (MYO)

RPU53908-100ug 100ug
EUR 566.5

Recombinant Myoglobin (MYO)

RPU53908-1mg 1mg
EUR 2511.6

Recombinant Myoglobin (MYO)

RPU53908-50ug 50ug
EUR 455.4

Recombinant Myoglobin (MYO)

RPU42863-100ug 100ug
EUR 431.2

Recombinant Myoglobin (MYO)

RPU42863-1mg 1mg
EUR 1911

Recombinant Myoglobin (MYO)

RPU42863-50ug 50ug
EUR 346.5

Recombinant Myoglobin (MYO)

RPU42864-100ug 100ug
EUR 492.8

Recombinant Myoglobin (MYO)

RPU42864-1mg 1mg
EUR 2184

Recombinant Myoglobin (MYO)

RPU42864-50ug 50ug
EUR 396

Recombinant Myoglobin (MYO)

RPU42865-100ug 100ug
EUR 517

Recombinant Myoglobin (MYO)

RPU42865-1mg 1mg
EUR 2293.2

Recombinant Myoglobin (MYO)

RPU42865-50ug 50ug
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Recombinant Myoglobin (MYO)

RPA480Bo01 10ug
EUR 196

Recombinant Myoglobin (MYO)

4-RPA480Bo01
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Description: Recombinant Bovine Myoglobin expressed in: E.coli

Recombinant Myoglobin (MYO)

RPA480Eq01 10ug
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Recombinant Myoglobin (MYO)

4-RPA480Eq01
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Description: Recombinant Horse Myoglobin expressed in: E.coli

Recombinant Myoglobin (MYO)

RPA480Ga01 10ug
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Recombinant Myoglobin (MYO)

4-RPA480Ga01
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Description: Recombinant Chicken Myoglobin expressed in: E.coli

Recombinant Myoglobin (MYO)

RPA480Hu01 10ug
EUR 140

Recombinant Myoglobin (MYO)

4-RPA480Hu01
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Description: Recombinant Human Myoglobin expressed in: E.coli

Recombinant Myoglobin (MYO)

RPA480Hu02 10ug
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Recombinant Myoglobin (MYO)

RPA480Mu01 10ug
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Recombinant Myoglobin (MYO)

4-RPA480Mu01
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Description: Recombinant Mouse Myoglobin expressed in: E.coli

Recombinant Myoglobin (MYO)

RPA480Ov01 10ug
EUR 188

Recombinant Myoglobin (MYO)

4-RPA480Ov01
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Description: Recombinant Sheep Myoglobin expressed in: E.coli

Recombinant Myoglobin (MYO)

RPA480Po01 10ug
EUR 184

Recombinant Myoglobin (MYO)

4-RPA480Po01
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Description: Recombinant Pig Myoglobin expressed in: E.coli

Recombinant Myoglobin (MYO)

RPA480Ra01 10ug
EUR 168

Recombinant Myoglobin (MYO)

4-RPA480Ra01
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Description: Recombinant Rat Myoglobin expressed in: E.coli

Recombinant Myoglobin (MYO)

MBS2030635-001mg 0.01mg
EUR 180

Recombinant Myoglobin (MYO)

MBS2030635-005mg 0.05mg
EUR 330

Recombinant Myoglobin (MYO)

MBS2030635-01mg 0.1mg
EUR 505

Recombinant Myoglobin (MYO)

MBS2030635-02mg 0.2mg
EUR 620

Recombinant Myoglobin (MYO)

MBS2030635-05mg 0.5mg
EUR 1180

Recombinant Myoglobin (MYO)

MBS2031229-001mg 0.01mg
EUR 175

Recombinant Myoglobin (MYO)

MBS2031229-005mg 0.05mg
EUR 320

Recombinant Myoglobin (MYO)

MBS2031229-01mg 0.1mg
EUR 485

Recombinant Myoglobin (MYO)

MBS2031229-02mg 0.2mg
EUR 600

Recombinant Myoglobin (MYO)

MBS2031229-05mg 0.5mg
EUR 1135

Recombinant Myoglobin (MYO)

MBS2030875-001mg 0.01mg
EUR 175

Recombinant Myoglobin (MYO)

MBS2030875-005mg 0.05mg
EUR 315

Recombinant Myoglobin (MYO)

MBS2030875-01mg 0.1mg
EUR 480

Recombinant Myoglobin (MYO)

MBS2030875-02mg 0.2mg
EUR 585

Recombinant Myoglobin (MYO)

MBS2030875-05mg 0.5mg
EUR 1110

Recombinant Myoglobin (MYO)

MBS2031440-001mg 0.01mg
EUR 180

Recombinant Myoglobin (MYO)

MBS2031440-005mg 0.05mg
EUR 330

Recombinant Myoglobin (MYO)

MBS2031440-01mg 0.1mg
EUR 505

Recombinant Myoglobin (MYO)

MBS2031440-02mg 0.2mg
EUR 620

Recombinant Myoglobin (MYO)

MBS2031440-05mg 0.5mg
EUR 1175

Recombinant Myoglobin (MYO)

MBS2009373-001mg 0.01mg
EUR 155

Recombinant Myoglobin (MYO)

MBS2009373-005mg 0.05mg
EUR 260

Recombinant Myoglobin (MYO)

MBS2009373-01mg 0.1mg
EUR 375

Recombinant Myoglobin (MYO)

MBS2009373-02mg 0.2mg
EUR 460

Recombinant Myoglobin (MYO)

MBS2009373-05mg 0.5mg
EUR 860

Recombinant Myoglobin (MYO)

MBS2009413-001mg 0.01mg
EUR 170

Recombinant Myoglobin (MYO)

MBS2009413-005mg 0.05mg
EUR 295

Recombinant Myoglobin (MYO)

MBS2009413-01mg 0.1mg
EUR 445

Recombinant Myoglobin (MYO)

MBS2009413-02mg 0.2mg
EUR 540

Recombinant Myoglobin (MYO)

MBS2009413-05mg 0.5mg
EUR 1025

Recombinant Myoglobin (MYO)

MBS2122641-001mg 0.01mg
EUR 155

Recombinant Myoglobin (MYO)

MBS2122641-005mg 0.05mg
EUR 260

Recombinant Myoglobin (MYO)

MBS2122641-01mg 0.1mg
EUR 375

Recombinant Myoglobin (MYO)

MBS2122641-02mg 0.2mg
EUR 460

Recombinant Myoglobin (MYO)

MBS2122641-05mg 0.5mg
EUR 860

Recombinant Myoglobin (MYO)

MBS2105264-001mg 0.01mg
EUR 175

Recombinant Myoglobin (MYO)

MBS2105264-005mg 0.05mg
EUR 310

Recombinant Myoglobin (MYO)

MBS2105264-01mg 0.1mg
EUR 470

Recombinant Myoglobin (MYO)

MBS2105264-02mg 0.2mg
EUR 575

Recombinant Myoglobin (MYO)

MBS2105264-05mg 0.5mg
EUR 1090

Recombinant Myoglobin (MYO)

MBS2009157-001mg 0.01mg
EUR 165

Recombinant Myoglobin (MYO)

MBS2009157-005mg 0.05mg
EUR 285

Recombinant Myoglobin (MYO)

MBS2009157-01mg 0.1mg
EUR 425

Recombinant Myoglobin (MYO)

MBS2009157-02mg 0.2mg
EUR 515

Recombinant Myoglobin (MYO)

MBS2009157-05mg 0.5mg
EUR 980

Myo mAb2-coating

MBS478108-10mg 10mg
EUR 1415

Myo mAb2-coating

MBS478108-1mg 1mg
EUR 260

Myo mAb2-coating

MBS478108-20mg 20mg
EUR 2195

Myo mAb2-coating

MBS478108-50mg 50mg
EUR 5290

Myo mAb2-coating

MBS478108-5mg 5mg
EUR 765

myo-Inositol-d6

I665996 25mg
EUR 800

myo-Inositol-d6

I665997 10mg
EUR 242
Description: 68922-44-1

Myo mAb1-labeling

MBS478096-10mg 10mg
EUR 1415

Myo mAb1-labeling

MBS478096-1mg 1mg
EUR 260

Myo mAb1-labeling

MBS478096-20mg 20mg
EUR 2195

Myo mAb1-labeling

MBS478096-50mg 50mg
EUR 5290

Myo mAb1-labeling

MBS478096-5mg 5mg
EUR 765

myo-Inositol-d6

MBS6025054-1mg 1(mg
EUR 575

myo-Inositol-d6

MBS6025054-5x1mg 5x1mg
EUR 2440

2-Deoxystreptamine, Dihydrobromide (2-Deoxy-1,3-myo-inosadiamine)

MBS6094331-100mg 100(mg
EUR 510

2-Deoxystreptamine, Dihydrobromide (2-Deoxy-1,3-myo-inosadiamine)

MBS6094331-250mg 250mg
EUR 650

2-Deoxystreptamine, Dihydrobromide (2-Deoxy-1,3-myo-inosadiamine)

MBS6094331-500mg 500mg
EUR 1035

2-Deoxystreptamine, Dihydrobromide (2-Deoxy-1,3-myo-inosadiamine)

MBS6094331-5x500mg 5x500mg
EUR 4500

myo-Inositol Hexaacetate

I666000 1g
EUR 230
Description: 1254-38-2

myo-Inositol Hexanicotinate

I666070 1g
EUR 155
Description: 6556-11-2

Myosin (Myo) Antibody (APC)

20-abx179002
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Rat Myoglobin (MYO) Protein

20-abx068139
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Rat Myoglobin (MYO) Protein

20-abx168607
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Pig Myoglobin (MYO) Protein

20-abx167524
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Cow Myoglobin (MYO) Protein

20-abx166312
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Myosin (Myo) Antibody (Biotin)

20-abx273382
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Myoglobin (MYO) Antibody (APC)

20-abx177666
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Human Myoglobin (MYO) Protein

20-abx068137
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Mouse Myoglobin (MYO) Protein

20-abx068138
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Myoglobin (MYO) Antibody (FITC)

20-abx274004
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Myoglobin (MYO) Antibody (FITC)

20-abx271145
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Sheep Myoglobin (MYO) Protein

20-abx168569
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Myoglobin (MYO) Antibody (FITC)

20-abx274139
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Myoglobin (MYO) Antibody Pair

20-abx370147
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Rabbit Myoglobin (MYO) Protein

20-abx654443
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Myoglobin (MYO) Antibody (Biotin)

20-abx272621
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Myoglobin (MYO) Antibody (Biotin)

20-abx273110
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  • 200 ug
  • 50 ug

RNAi-based knockdown of sad, which is involved in the last step of ecdysone biosynthesis, significantly reduced the 20E titer and resulted in a longer developmental duration and lower pupation of fourth-instar larvae, as well as caused shorter ovarioles and fewer fully developed eggs of P. xylostella. Furthermore, after the knockdown of sad, the expression levels of Vg and VgR genes were significantly decreased by 77.1 and 53.0%. Meanwhile, the number of eggs laid after 3 days was significantly reduced in sad knockdown females. These results suggest that Halloween genes may play a critical role in the biosynthesis of ecdysteroids and be involved in the development and reproduction of P. xylostella. Our work provides a solid basis for understanding the functional importance of these genes, which will help to screening potential genes for pest management of P. xylostella.